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Finding the Fourth Proportional to 230,087.52, 345,288.90 and 80,327.82

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Solution

The fourth proportional to 230,087.52, 345,288.90 and 80,327.82 is: 120,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,087.52 : 345,288.90 = 80,327.82 : x
  2. Step 2: Convert to fraction form
    230,087.52/345,288.90 = 80,327.82/x
  3. Step 3: Cross multiply
    230,087.52x = 345,288.90 × 80,327.82
  4. Step 4: Simplify right side
    230,087.52x = 27,736,304,607.20
  5. Step 5: Solve for x
    x = 27,736,304,607.20/230,087.52
  6. Step 6: Final answer
    x = 120,546.76

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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.