Home / 372,177.28-558,265.92-161,815.22

Finding the Fourth Proportional to 372,177.28, 558,265.92 and 161,815.22

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Solution

The fourth proportional to 372,177.28, 558,265.92 and 161,815.22 is: 242,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,177.28 : 558,265.92 = 161,815.22 : x
  2. Step 2: Convert to fraction form
    372,177.28/558,265.92 = 161,815.22/x
  3. Step 3: Cross multiply
    372,177.28x = 558,265.92 × 161,815.22
  4. Step 4: Simplify right side
    372,177.28x = 90,335,922,268.87
  5. Step 5: Solve for x
    x = 90,335,922,268.87/372,177.28
  6. Step 6: Final answer
    x = 242,722.83

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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.