Home / 327,947.40-491,921.10-187,607.61

Finding the Fourth Proportional to 327,947.40, 491,921.10 and 187,607.61

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Solution

The fourth proportional to 327,947.40, 491,921.10 and 187,607.61 is: 281,411.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,947.40 : 491,921.10 = 187,607.61 : x
  2. Step 2: Convert to fraction form
    327,947.40/491,921.10 = 187,607.61/x
  3. Step 3: Cross multiply
    327,947.40x = 491,921.10 × 187,607.61
  4. Step 4: Simplify right side
    327,947.40x = 92,288,141,879.57
  5. Step 5: Solve for x
    x = 92,288,141,879.57/327,947.40
  6. Step 6: Final answer
    x = 281,411.42

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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.