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Finding the Fourth Proportional to 238,883.03, 329,654.40 and 129,983.69

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Solution

The fourth proportional to 238,883.03, 329,654.40 and 129,983.69 is: 179,375.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,883.03 : 329,654.40 = 129,983.69 : x
  2. Step 2: Convert to fraction form
    238,883.03/329,654.40 = 129,983.69/x
  3. Step 3: Cross multiply
    238,883.03x = 329,654.40 × 129,983.69
  4. Step 4: Simplify right side
    238,883.03x = 42,849,695,336.74
  5. Step 5: Solve for x
    x = 42,849,695,336.74/238,883.03
  6. Step 6: Final answer
    x = 179,375.22

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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.