Home / 231,841.52-319,627.16-198,211.26

Finding the Fourth Proportional to 231,841.52, 319,627.16 and 198,211.26

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Solution

The fourth proportional to 231,841.52, 319,627.16 and 198,211.26 is: 273,262.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,841.52 : 319,627.16 = 198,211.26 : x
  2. Step 2: Convert to fraction form
    231,841.52/319,627.16 = 198,211.26/x
  3. Step 3: Cross multiply
    231,841.52x = 319,627.16 × 198,211.26
  4. Step 4: Simplify right side
    231,841.52x = 63,353,703,064.66
  5. Step 5: Solve for x
    x = 63,353,703,064.66/231,841.52
  6. Step 6: Final answer
    x = 273,262.97

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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.