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Finding the Fourth Proportional to 378,444.02, 567,456.64 and 150,508.80

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Solution

The fourth proportional to 378,444.02, 567,456.64 and 150,508.80 is: 225,679.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,444.02 : 567,456.64 = 150,508.80 : x
  2. Step 2: Convert to fraction form
    378,444.02/567,456.64 = 150,508.80/x
  3. Step 3: Cross multiply
    378,444.02x = 567,456.64 × 150,508.80
  4. Step 4: Simplify right side
    378,444.02x = 85,407,217,562.16
  5. Step 5: Solve for x
    x = 85,407,217,562.16/378,444.02
  6. Step 6: Final answer
    x = 225,679.93

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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.