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Finding the Fourth Proportional to 202,251.60, 303,353.10 and 83,910.60

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Solution

The fourth proportional to 202,251.60, 303,353.10 and 83,910.60 is: 125,855.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,251.60 : 303,353.10 = 83,910.60 : x
  2. Step 2: Convert to fraction form
    202,251.60/303,353.10 = 83,910.60/x
  3. Step 3: Cross multiply
    202,251.60x = 303,353.10 × 83,910.60
  4. Step 4: Simplify right side
    202,251.60x = 25,454,540,632.86
  5. Step 5: Solve for x
    x = 25,454,540,632.86/202,251.60
  6. Step 6: Final answer
    x = 125,855.82

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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.