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Finding the Fourth Proportional to 239,774.44, 330,865.13 and 132,337.54

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Solution

The fourth proportional to 239,774.44, 330,865.13 and 132,337.54 is: 182,612.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,774.44 : 330,865.13 = 132,337.54 : x
  2. Step 2: Convert to fraction form
    239,774.44/330,865.13 = 132,337.54/x
  3. Step 3: Cross multiply
    239,774.44x = 330,865.13 × 132,337.54
  4. Step 4: Simplify right side
    239,774.44x = 43,785,877,375.98
  5. Step 5: Solve for x
    x = 43,785,877,375.98/239,774.44
  6. Step 6: Final answer
    x = 182,612.78

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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.