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Finding the Fourth Proportional to 150,608.77, 225,766.27 and 71,701.81

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Solution

The fourth proportional to 150,608.77, 225,766.27 and 71,701.81 is: 107,482.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,608.77 : 225,766.27 = 71,701.81 : x
  2. Step 2: Convert to fraction form
    150,608.77/225,766.27 = 71,701.81/x
  3. Step 3: Cross multiply
    150,608.77x = 225,766.27 × 71,701.81
  4. Step 4: Simplify right side
    150,608.77x = 16,187,850,195.95
  5. Step 5: Solve for x
    x = 16,187,850,195.95/150,608.77
  6. Step 6: Final answer
    x = 107,482.79

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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.