Home / 437,664.15-656,496.50-138,175.29

Finding the Fourth Proportional to 437,664.15, 656,496.50 and 138,175.29

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Solution

The fourth proportional to 437,664.15, 656,496.50 and 138,175.29 is: 207,263.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,664.15 : 656,496.50 = 138,175.29 : x
  2. Step 2: Convert to fraction form
    437,664.15/656,496.50 = 138,175.29/x
  3. Step 3: Cross multiply
    437,664.15x = 656,496.50 × 138,175.29
  4. Step 4: Simplify right side
    437,664.15x = 90,711,593,580.61
  5. Step 5: Solve for x
    x = 90,711,593,580.61/437,664.15
  6. Step 6: Final answer
    x = 207,263.02

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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.