Finding the Fourth Proportional to 436,034.97, 653,305.05 and 346,354.29
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Solution
The fourth proportional to 436,034.97, 653,305.05 and 346,354.29 is: 518,937.75
Step by Step Solution
- Step 1: Write the proportion equation
436,034.97 : 653,305.05 = 346,354.29 : x - Step 2: Convert to fraction form
436,034.97/653,305.05 = 346,354.29/x - Step 3: Cross multiply
436,034.97x = 653,305.05 × 346,354.29 - Step 4: Simplify right side
436,034.97x = 226,275,006,746.17 - Step 5: Solve for x
x = 226,275,006,746.17/436,034.97 - Step 6: Final answer
x = 518,937.75
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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.