Home / 231,306.29-319,104.92-154,850.01

Finding the Fourth Proportional to 231,306.29, 319,104.92 and 154,850.01

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Solution

The fourth proportional to 231,306.29, 319,104.92 and 154,850.01 is: 213,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,306.29 : 319,104.92 = 154,850.01 : x
  2. Step 2: Convert to fraction form
    231,306.29/319,104.92 = 154,850.01/x
  3. Step 3: Cross multiply
    231,306.29x = 319,104.92 × 154,850.01
  4. Step 4: Simplify right side
    231,306.29x = 49,413,400,053.05
  5. Step 5: Solve for x
    x = 49,413,400,053.05/231,306.29
  6. Step 6: Final answer
    x = 213,627.57

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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.