Home / 215,402.25-323,103.39-57,626.61

Finding the Fourth Proportional to 215,402.25, 323,103.39 and 57,626.61

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Solution

The fourth proportional to 215,402.25, 323,103.39 and 57,626.61 is: 86,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,402.25 : 323,103.39 = 57,626.61 : x
  2. Step 2: Convert to fraction form
    215,402.25/323,103.39 = 57,626.61/x
  3. Step 3: Cross multiply
    215,402.25x = 323,103.39 × 57,626.61
  4. Step 4: Simplify right side
    215,402.25x = 18,619,353,045.21
  5. Step 5: Solve for x
    x = 18,619,353,045.21/215,402.25
  6. Step 6: Final answer
    x = 86,439.92

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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.