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Finding the Fourth Proportional to 238,879.92, 329,655.84 and 131,446.92

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Solution

The fourth proportional to 238,879.92, 329,655.84 and 131,446.92 is: 181,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,879.92 : 329,655.84 = 131,446.92 : x
  2. Step 2: Convert to fraction form
    238,879.92/329,655.84 = 131,446.92/x
  3. Step 3: Cross multiply
    238,879.92x = 329,655.84 × 131,446.92
  4. Step 4: Simplify right side
    238,879.92x = 43,332,244,828.01
  5. Step 5: Solve for x
    x = 43,332,244,828.01/238,879.92
  6. Step 6: Final answer
    x = 181,397.60

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1.5x scale

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.