Home / 231,279.90-319,220.19-150,567.54

Finding the Fourth Proportional to 231,279.90, 319,220.19 and 150,567.54

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Solution

The fourth proportional to 231,279.90, 319,220.19 and 150,567.54 is: 207,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,279.90 : 319,220.19 = 150,567.54 : x
  2. Step 2: Convert to fraction form
    231,279.90/319,220.19 = 150,567.54/x
  3. Step 3: Cross multiply
    231,279.90x = 319,220.19 × 150,567.54
  4. Step 4: Simplify right side
    231,279.90x = 48,064,198,726.63
  5. Step 5: Solve for x
    x = 48,064,198,726.63/231,279.90
  6. Step 6: Final answer
    x = 207,818.31

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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.