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Finding the Fourth Proportional to 375,750.91, 518,557.67 and 222,879.61

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Solution

The fourth proportional to 375,750.91, 518,557.67 and 222,879.61 is: 307,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,750.91 : 518,557.67 = 222,879.61 : x
  2. Step 2: Convert to fraction form
    375,750.91/518,557.67 = 222,879.61/x
  3. Step 3: Cross multiply
    375,750.91x = 518,557.67 × 222,879.61
  4. Step 4: Simplify right side
    375,750.91x = 115,575,930,512.91
  5. Step 5: Solve for x
    x = 115,575,930,512.91/375,750.91
  6. Step 6: Final answer
    x = 307,586.56

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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.