Finding the Fourth Proportional to 482,859.10, 724,547.85 and 202,404.70
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Solution
The fourth proportional to 482,859.10, 724,547.85 and 202,404.70 is: 303,715.70
Step by Step Solution
- Step 1: Write the proportion equation
482,859.10 : 724,547.85 = 202,404.70 : x - Step 2: Convert to fraction form
482,859.10/724,547.85 = 202,404.70/x - Step 3: Cross multiply
482,859.10x = 724,547.85 × 202,404.70 - Step 4: Simplify right side
482,859.10x = 146,651,890,214.90 - Step 5: Solve for x
x = 146,651,890,214.90/482,859.10 - Step 6: Final answer
x = 303,715.70
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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.