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Finding the Fourth Proportional to 239,787.31, 330,906.50 and 132,357.37

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Solution

The fourth proportional to 239,787.31, 330,906.50 and 132,357.37 is: 182,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,787.31 : 330,906.50 = 132,357.37 : x
  2. Step 2: Convert to fraction form
    239,787.31/330,906.50 = 132,357.37/x
  3. Step 3: Cross multiply
    239,787.31x = 330,906.50 × 132,357.37
  4. Step 4: Simplify right side
    239,787.31x = 43,797,914,055.91
  5. Step 5: Solve for x
    x = 43,797,914,055.91/239,787.31
  6. Step 6: Final answer
    x = 182,653.18

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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.