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Finding the Fourth Proportional to 150,473.52, 225,515.88 and 71,611.92

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Solution

The fourth proportional to 150,473.52, 225,515.88 and 71,611.92 is: 107,325.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,473.52 : 225,515.88 = 71,611.92 : x
  2. Step 2: Convert to fraction form
    150,473.52/225,515.88 = 71,611.92/x
  3. Step 3: Cross multiply
    150,473.52x = 225,515.88 × 71,611.92
  4. Step 4: Simplify right side
    150,473.52x = 16,149,625,157.29
  5. Step 5: Solve for x
    x = 16,149,625,157.29/150,473.52
  6. Step 6: Final answer
    x = 107,325.36

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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.