Finding the Fourth Proportional to 425,927.17, 639,613.87 and 284,680.12
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Solution
The fourth proportional to 425,927.17, 639,613.87 and 284,680.12 is: 427,503.49
Step by Step Solution
- Step 1: Write the proportion equation
425,927.17 : 639,613.87 = 284,680.12 : x - Step 2: Convert to fraction form
425,927.17/639,613.87 = 284,680.12/x - Step 3: Cross multiply
425,927.17x = 639,613.87 × 284,680.12 - Step 4: Simplify right side
425,927.17x = 182,085,353,755.13 - Step 5: Solve for x
x = 182,085,353,755.13/425,927.17 - Step 6: Final answer
x = 427,503.49
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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.