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Finding the Fourth Proportional to 149,337.20, 224,005.80 and 137,932.40

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Solution

The fourth proportional to 149,337.20, 224,005.80 and 137,932.40 is: 206,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,337.20 : 224,005.80 = 137,932.40 : x
  2. Step 2: Convert to fraction form
    149,337.20/224,005.80 = 137,932.40/x
  3. Step 3: Cross multiply
    149,337.20x = 224,005.80 × 137,932.40
  4. Step 4: Simplify right side
    149,337.20x = 30,897,657,607.92
  5. Step 5: Solve for x
    x = 30,897,657,607.92/149,337.20
  6. Step 6: Final answer
    x = 206,898.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.