Home / 218,558.20-327,740.10-100,265.80

Finding the Fourth Proportional to 218,558.20, 327,740.10 and 100,265.80

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Solution

The fourth proportional to 218,558.20, 327,740.10 and 100,265.80 is: 150,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,558.20 : 327,740.10 = 100,265.80 : x
  2. Step 2: Convert to fraction form
    218,558.20/327,740.10 = 100,265.80/x
  3. Step 3: Cross multiply
    218,558.20x = 327,740.10 × 100,265.80
  4. Step 4: Simplify right side
    218,558.20x = 32,861,123,318.58
  5. Step 5: Solve for x
    x = 32,861,123,318.58/218,558.20
  6. Step 6: Final answer
    x = 150,354.11

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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.