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Finding the Fourth Proportional to 404,203.50, 557,793.33 and 222,932.28

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Solution

The fourth proportional to 404,203.50, 557,793.33 and 222,932.28 is: 307,642.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,203.50 : 557,793.33 = 222,932.28 : x
  2. Step 2: Convert to fraction form
    404,203.50/557,793.33 = 222,932.28/x
  3. Step 3: Cross multiply
    404,203.50x = 557,793.33 × 222,932.28
  4. Step 4: Simplify right side
    404,203.50x = 124,350,138,825.69
  5. Step 5: Solve for x
    x = 124,350,138,825.69/404,203.50
  6. Step 6: Final answer
    x = 307,642.41

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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.