Finding the Fourth Proportional to 497,344.05, 746,305.45 and 209,134.91
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Solution
The fourth proportional to 497,344.05, 746,305.45 and 209,134.91 is: 313,824.05
Step by Step Solution
- Step 1: Write the proportion equation
497,344.05 : 746,305.45 = 209,134.91 : x - Step 2: Convert to fraction form
497,344.05/746,305.45 = 209,134.91/x - Step 3: Cross multiply
497,344.05x = 746,305.45 × 209,134.91 - Step 4: Simplify right side
497,344.05x = 156,078,524,461.19 - Step 5: Solve for x
x = 156,078,524,461.19/497,344.05 - Step 6: Final answer
x = 313,824.05
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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.