Home / 418,796.90-577,937.12-227,811.05

Finding the Fourth Proportional to 418,796.90, 577,937.12 and 227,811.05

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Solution

The fourth proportional to 418,796.90, 577,937.12 and 227,811.05 is: 314,377.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,796.90 : 577,937.12 = 227,811.05 : x
  2. Step 2: Convert to fraction form
    418,796.90/577,937.12 = 227,811.05/x
  3. Step 3: Cross multiply
    418,796.90x = 577,937.12 × 227,811.05
  4. Step 4: Simplify right side
    418,796.90x = 131,660,458,112.44
  5. Step 5: Solve for x
    x = 131,660,458,112.44/418,796.90
  6. Step 6: Final answer
    x = 314,377.83

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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.