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Finding the Fourth Proportional to 239,565.79, 330,601.53 and 132,137.52

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Solution

The fourth proportional to 239,565.79, 330,601.53 and 132,137.52 is: 182,350.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,565.79 : 330,601.53 = 132,137.52 : x
  2. Step 2: Convert to fraction form
    239,565.79/330,601.53 = 132,137.52/x
  3. Step 3: Cross multiply
    239,565.79x = 330,601.53 × 132,137.52
  4. Step 4: Simplify right side
    239,565.79x = 43,684,866,282.41
  5. Step 5: Solve for x
    x = 43,684,866,282.41/239,565.79
  6. Step 6: Final answer
    x = 182,350.19

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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.