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Finding the Fourth Proportional to 239,468.14, 330,480.91 and 132,038

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Solution

The fourth proportional to 239,468.14, 330,480.91 and 132,038 is: 182,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,468.14 : 330,480.91 = 132,038 : x
  2. Step 2: Convert to fraction form
    239,468.14/330,480.91 = 132,038/x
  3. Step 3: Cross multiply
    239,468.14x = 330,480.91 × 132,038
  4. Step 4: Simplify right side
    239,468.14x = 43,636,038,394.58
  5. Step 5: Solve for x
    x = 43,636,038,394.58/239,468.14
  6. Step 6: Final answer
    x = 182,220.64

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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.