Home / 220,949.40-331,424.10-132,375.90

Finding the Fourth Proportional to 220,949.40, 331,424.10 and 132,375.90

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Solution

The fourth proportional to 220,949.40, 331,424.10 and 132,375.90 is: 198,563.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,949.40 : 331,424.10 = 132,375.90 : x
  2. Step 2: Convert to fraction form
    220,949.40/331,424.10 = 132,375.90/x
  3. Step 3: Cross multiply
    220,949.40x = 331,424.10 × 132,375.90
  4. Step 4: Simplify right side
    220,949.40x = 43,872,563,519.19
  5. Step 5: Solve for x
    x = 43,872,563,519.19/220,949.40
  6. Step 6: Final answer
    x = 198,563.85

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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.