Home / 410,588.20-615,647.13-126,204.76

Finding the Fourth Proportional to 410,588.20, 615,647.13 and 126,204.76

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Solution

The fourth proportional to 410,588.20, 615,647.13 and 126,204.76 is: 189,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,588.20 : 615,647.13 = 126,204.76 : x
  2. Step 2: Convert to fraction form
    410,588.20/615,647.13 = 126,204.76/x
  3. Step 3: Cross multiply
    410,588.20x = 615,647.13 × 126,204.76
  4. Step 4: Simplify right side
    410,588.20x = 77,697,598,286.34
  5. Step 5: Solve for x
    x = 77,697,598,286.34/410,588.20
  6. Step 6: Final answer
    x = 189,234.85

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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.