Ratio and Proportions
RATIO AND PROPORTIONS The number of times one quantity contains another quantity of the same kind is called the Ratio of the two quantities. The ratio 2 to 3 is written as 2:3 or . 2 and 3 are called the terms of the ratio. 2 is the first terms (is also called antecedent) and 3 is the second term (is also called consequent). COMPOUND RATIO Ratios are compounded by multiplying together the antecedents for a new antecedent, and the consequents for a new consequent. a x c x e · Ratios a:b,c:d, and e:f Compounded of the four ratios :------------ b x d x f a. Find the ratio compounded of the four ratios: 4:3, 9:13, 26:5 and 2:15