Home / 410,177.28-615,540.48-143,939.04

Finding the Fourth Proportional to 410,177.28, 615,540.48 and 143,939.04

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Solution

The fourth proportional to 410,177.28, 615,540.48 and 143,939.04 is: 216,004.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,177.28 : 615,540.48 = 143,939.04 : x
  2. Step 2: Convert to fraction form
    410,177.28/615,540.48 = 143,939.04/x
  3. Step 3: Cross multiply
    410,177.28x = 615,540.48 × 143,939.04
  4. Step 4: Simplify right side
    410,177.28x = 88,600,305,772.34
  5. Step 5: Solve for x
    x = 88,600,305,772.34/410,177.28
  6. Step 6: Final answer
    x = 216,004.91

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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.