Home / 206,862.83-310,288.02-57,112.25

Finding the Fourth Proportional to 206,862.83, 310,288.02 and 57,112.25

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Solution

The fourth proportional to 206,862.83, 310,288.02 and 57,112.25 is: 85,666.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,862.83 : 310,288.02 = 57,112.25 : x
  2. Step 2: Convert to fraction form
    206,862.83/310,288.02 = 57,112.25/x
  3. Step 3: Cross multiply
    206,862.83x = 310,288.02 × 57,112.25
  4. Step 4: Simplify right side
    206,862.83x = 17,721,245,418.80
  5. Step 5: Solve for x
    x = 17,721,245,418.80/206,862.83
  6. Step 6: Final answer
    x = 85,666.65

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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.