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Question
Determine if the following ratios form a proportion. Also, write the middle terms and extreme terms where the ratios form a proportion.
25 cm : 1 m and ₹ 40 : ₹ 160
Solution
25 cm: 1 m and ₹ 40 : ₹ 160
25 cm = `25/100` m = 0.25 m
`0.25/1 = 1/4` and `40/160 = 1/4`
Yes. These are in proportion.
Middle terms are 1 m, ₹ 40.
Extreme terms are 25 cm, ₹ 160.
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