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Finding the Fourth Proportional to 149,983.20, 225,007.20 and 44,812.80

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Solution

The fourth proportional to 149,983.20, 225,007.20 and 44,812.80 is: 67,228.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,983.20 : 225,007.20 = 44,812.80 : x
  2. Step 2: Convert to fraction form
    149,983.20/225,007.20 = 44,812.80/x
  3. Step 3: Cross multiply
    149,983.20x = 225,007.20 × 44,812.80
  4. Step 4: Simplify right side
    149,983.20x = 10,083,202,652.16
  5. Step 5: Solve for x
    x = 10,083,202,652.16/149,983.20
  6. Step 6: Final answer
    x = 67,228.88

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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.