Home / 394,836.68-544,874.70-222,791.10

Finding the Fourth Proportional to 394,836.68, 544,874.70 and 222,791.10

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Solution

The fourth proportional to 394,836.68, 544,874.70 and 222,791.10 is: 307,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,836.68 : 544,874.70 = 222,791.10 : x
  2. Step 2: Convert to fraction form
    394,836.68/544,874.70 = 222,791.10/x
  3. Step 3: Cross multiply
    394,836.68x = 544,874.70 × 222,791.10
  4. Step 4: Simplify right side
    394,836.68x = 121,393,233,775.17
  5. Step 5: Solve for x
    x = 121,393,233,775.17/394,836.68
  6. Step 6: Final answer
    x = 307,451.76

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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.