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Finding the Fourth Proportional to 150,294.91, 225,446.46 and 45,113.89

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Solution

The fourth proportional to 150,294.91, 225,446.46 and 45,113.89 is: 67,672.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,294.91 : 225,446.46 = 45,113.89 : x
  2. Step 2: Convert to fraction form
    150,294.91/225,446.46 = 45,113.89/x
  3. Step 3: Cross multiply
    150,294.91x = 225,446.46 × 45,113.89
  4. Step 4: Simplify right side
    150,294.91x = 10,170,766,797.33
  5. Step 5: Solve for x
    x = 10,170,766,797.33/150,294.91
  6. Step 6: Final answer
    x = 67,672.06

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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.