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Finding the Fourth Proportional to 378,773.96, 568,378.02 and 154,092.92

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Solution

The fourth proportional to 378,773.96, 568,378.02 and 154,092.92 is: 231,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,773.96 : 568,378.02 = 154,092.92 : x
  2. Step 2: Convert to fraction form
    378,773.96/568,378.02 = 154,092.92/x
  3. Step 3: Cross multiply
    378,773.96x = 568,378.02 × 154,092.92
  4. Step 4: Simplify right side
    378,773.96x = 87,583,028,765.62
  5. Step 5: Solve for x
    x = 87,583,028,765.62/378,773.96
  6. Step 6: Final answer
    x = 231,227.69

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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.