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Finding the Fourth Proportional to 362,180.60, 542,938.29 and 125,357.66

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Solution

The fourth proportional to 362,180.60, 542,938.29 and 125,357.66 is: 187,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,180.60 : 542,938.29 = 125,357.66 : x
  2. Step 2: Convert to fraction form
    362,180.60/542,938.29 = 125,357.66/x
  3. Step 3: Cross multiply
    362,180.60x = 542,938.29 × 125,357.66
  4. Step 4: Simplify right side
    362,180.60x = 68,061,473,115.17
  5. Step 5: Solve for x
    x = 68,061,473,115.17/362,180.60
  6. Step 6: Final answer
    x = 187,921.37

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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.