Home / 410,463.20-615,756.36-144,176.78

Finding the Fourth Proportional to 410,463.20, 615,756.36 and 144,176.78

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Solution

The fourth proportional to 410,463.20, 615,756.36 and 144,176.78 is: 216,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,463.20 : 615,756.36 = 144,176.78 : x
  2. Step 2: Convert to fraction form
    410,463.20/615,756.36 = 144,176.78/x
  3. Step 3: Cross multiply
    410,463.20x = 615,756.36 × 144,176.78
  4. Step 4: Simplify right side
    410,463.20x = 88,777,769,249.32
  5. Step 5: Solve for x
    x = 88,777,769,249.32/410,463.20
  6. Step 6: Final answer
    x = 216,286.79

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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.