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Finding the Fourth Proportional to 537,517.10, 806,275.65 and 138,158.26

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Solution

The fourth proportional to 537,517.10, 806,275.65 and 138,158.26 is: 207,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,517.10 : 806,275.65 = 138,158.26 : x
  2. Step 2: Convert to fraction form
    537,517.10/806,275.65 = 138,158.26/x
  3. Step 3: Cross multiply
    537,517.10x = 806,275.65 × 138,158.26
  4. Step 4: Simplify right side
    537,517.10x = 111,393,639,095.35
  5. Step 5: Solve for x
    x = 111,393,639,095.35/537,517.10
  6. Step 6: Final answer
    x = 207,237.39

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Similar ratio
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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.