Home / 206,851.31-310,294.82-57,091.61

Finding the Fourth Proportional to 206,851.31, 310,294.82 and 57,091.61

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Solution

The fourth proportional to 206,851.31, 310,294.82 and 57,091.61 is: 85,642.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,851.31 : 310,294.82 = 57,091.61 : x
  2. Step 2: Convert to fraction form
    206,851.31/310,294.82 = 57,091.61/x
  3. Step 3: Cross multiply
    206,851.31x = 310,294.82 × 57,091.61
  4. Step 4: Simplify right side
    206,851.31x = 17,715,229,011.53
  5. Step 5: Solve for x
    x = 17,715,229,011.53/206,851.31
  6. Step 6: Final answer
    x = 85,642.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.