Home / 206,868.90-310,297.17-57,118.33

Finding the Fourth Proportional to 206,868.90, 310,297.17 and 57,118.33

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Solution

The fourth proportional to 206,868.90, 310,297.17 and 57,118.33 is: 85,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,868.90 : 310,297.17 = 57,118.33 : x
  2. Step 2: Convert to fraction form
    206,868.90/310,297.17 = 57,118.33/x
  3. Step 3: Cross multiply
    206,868.90x = 310,297.17 × 57,118.33
  4. Step 4: Simplify right side
    206,868.90x = 17,723,656,154.13
  5. Step 5: Solve for x
    x = 17,723,656,154.13/206,868.90
  6. Step 6: Final answer
    x = 85,675.79

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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.