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Finding the Fourth Proportional to 150,387.40, 225,629.70 and 100,523.80

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Solution

The fourth proportional to 150,387.40, 225,629.70 and 100,523.80 is: 150,818.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,387.40 : 225,629.70 = 100,523.80 : x
  2. Step 2: Convert to fraction form
    150,387.40/225,629.70 = 100,523.80/x
  3. Step 3: Cross multiply
    150,387.40x = 225,629.70 × 100,523.80
  4. Step 4: Simplify right side
    150,387.40x = 22,681,154,836.86
  5. Step 5: Solve for x
    x = 22,681,154,836.86/150,387.40
  6. Step 6: Final answer
    x = 150,818.19

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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.