Home / 418,161.78-577,070.24-227,175.30

Finding the Fourth Proportional to 418,161.78, 577,070.24 and 227,175.30

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Solution

The fourth proportional to 418,161.78, 577,070.24 and 227,175.30 is: 313,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,161.78 : 577,070.24 = 227,175.30 : x
  2. Step 2: Convert to fraction form
    418,161.78/577,070.24 = 227,175.30/x
  3. Step 3: Cross multiply
    418,161.78x = 577,070.24 × 227,175.30
  4. Step 4: Simplify right side
    418,161.78x = 131,096,103,757.20
  5. Step 5: Solve for x
    x = 131,096,103,757.20/418,161.78
  6. Step 6: Final answer
    x = 313,505.71

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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.