Finding the Fourth Proportional to 272,082.96, 406,930.68 and 242,307.18
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Solution
The fourth proportional to 272,082.96, 406,930.68 and 242,307.18 is: 362,397.65
Step by Step Solution
- Step 1: Write the proportion equation
272,082.96 : 406,930.68 = 242,307.18 : x - Step 2: Convert to fraction form
272,082.96/406,930.68 = 242,307.18/x - Step 3: Cross multiply
272,082.96x = 406,930.68 × 242,307.18 - Step 4: Simplify right side
272,082.96x = 98,602,225,526.28 - Step 5: Solve for x
x = 98,602,225,526.28/272,082.96 - Step 6: Final answer
x = 362,397.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.