Home / 206,867.22-310,294.63-57,116.66

Finding the Fourth Proportional to 206,867.22, 310,294.63 and 57,116.66

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Solution

The fourth proportional to 206,867.22, 310,294.63 and 57,116.66 is: 85,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,867.22 : 310,294.63 = 57,116.66 : x
  2. Step 2: Convert to fraction form
    206,867.22/310,294.63 = 57,116.66/x
  3. Step 3: Cross multiply
    206,867.22x = 310,294.63 × 57,116.66
  4. Step 4: Simplify right side
    206,867.22x = 17,722,992,881.54
  5. Step 5: Solve for x
    x = 17,722,992,881.54/206,867.22
  6. Step 6: Final answer
    x = 85,673.28

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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.