Finding the Fourth Proportional to 356,402.94, 533,126.97 and 271,520.88
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Solution
The fourth proportional to 356,402.94, 533,126.97 and 271,520.88 is: 406,155.75
Step by Step Solution
- Step 1: Write the proportion equation
356,402.94 : 533,126.97 = 271,520.88 : x - Step 2: Convert to fraction form
356,402.94/533,126.97 = 271,520.88/x - Step 3: Cross multiply
356,402.94x = 533,126.97 × 271,520.88 - Step 4: Simplify right side
356,402.94x = 144,755,104,046.13 - Step 5: Solve for x
x = 144,755,104,046.13/356,402.94 - Step 6: Final answer
x = 406,155.75
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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.