Home / 418,144.86-577,042.26-227,158.70

Finding the Fourth Proportional to 418,144.86, 577,042.26 and 227,158.70

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Solution

The fourth proportional to 418,144.86, 577,042.26 and 227,158.70 is: 313,480.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,144.86 : 577,042.26 = 227,158.70 : x
  2. Step 2: Convert to fraction form
    418,144.86/577,042.26 = 227,158.70/x
  3. Step 3: Cross multiply
    418,144.86x = 577,042.26 × 227,158.70
  4. Step 4: Simplify right side
    418,144.86x = 131,080,169,626.66
  5. Step 5: Solve for x
    x = 131,080,169,626.66/418,144.86
  6. Step 6: Final answer
    x = 313,480.28

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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.