Home / 238,921.24-329,711.46-131,499

Finding the Fourth Proportional to 238,921.24, 329,711.46 and 131,499

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Solution

The fourth proportional to 238,921.24, 329,711.46 and 131,499 is: 181,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,921.24 : 329,711.46 = 131,499 : x
  2. Step 2: Convert to fraction form
    238,921.24/329,711.46 = 131,499/x
  3. Step 3: Cross multiply
    238,921.24x = 329,711.46 × 131,499
  4. Step 4: Simplify right side
    238,921.24x = 43,356,727,278.54
  5. Step 5: Solve for x
    x = 43,356,727,278.54/238,921.24
  6. Step 6: Final answer
    x = 181,468.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.