Home / 441,121.20-661,953.96-204,419.76

Finding the Fourth Proportional to 441,121.20, 661,953.96 and 204,419.76

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Solution

The fourth proportional to 441,121.20, 661,953.96 and 204,419.76 is: 306,755.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,121.20 : 661,953.96 = 204,419.76 : x
  2. Step 2: Convert to fraction form
    441,121.20/661,953.96 = 204,419.76/x
  3. Step 3: Cross multiply
    441,121.20x = 661,953.96 × 204,419.76
  4. Step 4: Simplify right side
    441,121.20x = 135,316,469,634.25
  5. Step 5: Solve for x
    x = 135,316,469,634.25/441,121.20
  6. Step 6: Final answer
    x = 306,755.76

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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.