Home / 418,318.52-577,283.22-227,331.90

Finding the Fourth Proportional to 418,318.52, 577,283.22 and 227,331.90

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Solution

The fourth proportional to 418,318.52, 577,283.22 and 227,331.90 is: 313,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,318.52 : 577,283.22 = 227,331.90 : x
  2. Step 2: Convert to fraction form
    418,318.52/577,283.22 = 227,331.90/x
  3. Step 3: Cross multiply
    418,318.52x = 577,283.22 × 227,331.90
  4. Step 4: Simplify right side
    418,318.52x = 131,234,891,240.72
  5. Step 5: Solve for x
    x = 131,234,891,240.72/418,318.52
  6. Step 6: Final answer
    x = 313,720.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.