Home / 217,078.33-325,587.93-57,140.87

Finding the Fourth Proportional to 217,078.33, 325,587.93 and 57,140.87

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Solution

The fourth proportional to 217,078.33, 325,587.93 and 57,140.87 is: 85,703.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,078.33 : 325,587.93 = 57,140.87 : x
  2. Step 2: Convert to fraction form
    217,078.33/325,587.93 = 57,140.87/x
  3. Step 3: Cross multiply
    217,078.33x = 325,587.93 × 57,140.87
  4. Step 4: Simplify right side
    217,078.33x = 18,604,375,882.33
  5. Step 5: Solve for x
    x = 18,604,375,882.33/217,078.33
  6. Step 6: Final answer
    x = 85,703.52

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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.