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Finding the Fourth Proportional to 150,229.80, 225,344.70 and 133,900.20

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Solution

The fourth proportional to 150,229.80, 225,344.70 and 133,900.20 is: 200,850.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,229.80 : 225,344.70 = 133,900.20 : x
  2. Step 2: Convert to fraction form
    150,229.80/225,344.70 = 133,900.20/x
  3. Step 3: Cross multiply
    150,229.80x = 225,344.70 × 133,900.20
  4. Step 4: Simplify right side
    150,229.80x = 30,173,700,398.94
  5. Step 5: Solve for x
    x = 30,173,700,398.94/150,229.80
  6. Step 6: Final answer
    x = 200,850.30

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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.