Finding the Fourth Proportional to 381,691.80, 572,537.70 and 335,035.80
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Solution
The fourth proportional to 381,691.80, 572,537.70 and 335,035.80 is: 502,553.70
Step by Step Solution
- Step 1: Write the proportion equation
381,691.80 : 572,537.70 = 335,035.80 : x - Step 2: Convert to fraction form
381,691.80/572,537.70 = 335,035.80/x - Step 3: Cross multiply
381,691.80x = 572,537.70 × 335,035.80 - Step 4: Simplify right side
381,691.80x = 191,820,626,349.66 - Step 5: Solve for x
x = 191,820,626,349.66/381,691.80 - Step 6: Final answer
x = 502,553.70
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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.