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Finding the Fourth Proportional to 239,812.18, 330,917.22 and 132,375.28

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Solution

The fourth proportional to 239,812.18, 330,917.22 and 132,375.28 is: 182,664.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,812.18 : 330,917.22 = 132,375.28 : x
  2. Step 2: Convert to fraction form
    239,812.18/330,917.22 = 132,375.28/x
  3. Step 3: Cross multiply
    239,812.18x = 330,917.22 × 132,375.28
  4. Step 4: Simplify right side
    239,812.18x = 43,805,259,654.32
  5. Step 5: Solve for x
    x = 43,805,259,654.32/239,812.18
  6. Step 6: Final answer
    x = 182,664.87

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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.