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Finding the Fourth Proportional to 238,807.87, 329,557.00 and 129,914.58

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Solution

The fourth proportional to 238,807.87, 329,557.00 and 129,914.58 is: 179,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,807.87 : 329,557.00 = 129,914.58 : x
  2. Step 2: Convert to fraction form
    238,807.87/329,557.00 = 129,914.58/x
  3. Step 3: Cross multiply
    238,807.87x = 329,557.00 × 129,914.58
  4. Step 4: Simplify right side
    238,807.87x = 42,814,257,246.97
  5. Step 5: Solve for x
    x = 42,814,257,246.97/238,807.87
  6. Step 6: Final answer
    x = 179,283.28

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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.