Home / 217,079.33-325,589.43-57,141.87

Finding the Fourth Proportional to 217,079.33, 325,589.43 and 57,141.87

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Solution

The fourth proportional to 217,079.33, 325,589.43 and 57,141.87 is: 85,705.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,079.33 : 325,589.43 = 57,141.87 : x
  2. Step 2: Convert to fraction form
    217,079.33/325,589.43 = 57,141.87/x
  3. Step 3: Cross multiply
    217,079.33x = 325,589.43 × 57,141.87
  4. Step 4: Simplify right side
    217,079.33x = 18,604,788,882.43
  5. Step 5: Solve for x
    x = 18,604,788,882.43/217,079.33
  6. Step 6: Final answer
    x = 85,705.02

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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.