Home / 457,985.73-687,040.97-158,385.90

Finding the Fourth Proportional to 457,985.73, 687,040.97 and 158,385.90

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Solution

The fourth proportional to 457,985.73, 687,040.97 and 158,385.90 is: 237,600.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,985.73 : 687,040.97 = 158,385.90 : x
  2. Step 2: Convert to fraction form
    457,985.73/687,040.97 = 158,385.90/x
  3. Step 3: Cross multiply
    457,985.73x = 687,040.97 × 158,385.90
  4. Step 4: Simplify right side
    457,985.73x = 108,817,601,578.39
  5. Step 5: Solve for x
    x = 108,817,601,578.39/457,985.73
  6. Step 6: Final answer
    x = 237,600.42

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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.