Home / 238,658.32-329,350.72-131,229.04

Finding the Fourth Proportional to 238,658.32, 329,350.72 and 131,229.04

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Solution

The fourth proportional to 238,658.32, 329,350.72 and 131,229.04 is: 181,097.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,658.32 : 329,350.72 = 131,229.04 : x
  2. Step 2: Convert to fraction form
    238,658.32/329,350.72 = 131,229.04/x
  3. Step 3: Cross multiply
    238,658.32x = 329,350.72 × 131,229.04
  4. Step 4: Simplify right side
    238,658.32x = 43,220,378,808.91
  5. Step 5: Solve for x
    x = 43,220,378,808.91/238,658.32
  6. Step 6: Final answer
    x = 181,097.31

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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.