Home / 206,866.22-310,293.13-57,115.66

Finding the Fourth Proportional to 206,866.22, 310,293.13 and 57,115.66

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Solution

The fourth proportional to 206,866.22, 310,293.13 and 57,115.66 is: 85,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,866.22 : 310,293.13 = 57,115.66 : x
  2. Step 2: Convert to fraction form
    206,866.22/310,293.13 = 57,115.66/x
  3. Step 3: Cross multiply
    206,866.22x = 310,293.13 × 57,115.66
  4. Step 4: Simplify right side
    206,866.22x = 17,722,596,913.42
  5. Step 5: Solve for x
    x = 17,722,596,913.42/206,866.22
  6. Step 6: Final answer
    x = 85,671.78

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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.