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Finding the Fourth Proportional to 239,528.90, 330,542.78 and 132,098.90

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Solution

The fourth proportional to 239,528.90, 330,542.78 and 132,098.90 is: 182,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,528.90 : 330,542.78 = 132,098.90 : x
  2. Step 2: Convert to fraction form
    239,528.90/330,542.78 = 132,098.90/x
  3. Step 3: Cross multiply
    239,528.90x = 330,542.78 × 132,098.90
  4. Step 4: Simplify right side
    239,528.90x = 43,664,337,640.94
  5. Step 5: Solve for x
    x = 43,664,337,640.94/239,528.90
  6. Step 6: Final answer
    x = 182,292.57

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1.5x scale

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.