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Finding the Fourth Proportional to 202,186.80, 303,280.20 and 200,874.60

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Solution

The fourth proportional to 202,186.80, 303,280.20 and 200,874.60 is: 301,311.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,186.80 : 303,280.20 = 200,874.60 : x
  2. Step 2: Convert to fraction form
    202,186.80/303,280.20 = 200,874.60/x
  3. Step 3: Cross multiply
    202,186.80x = 303,280.20 × 200,874.60
  4. Step 4: Simplify right side
    202,186.80x = 60,921,288,862.92
  5. Step 5: Solve for x
    x = 60,921,288,862.92/202,186.80
  6. Step 6: Final answer
    x = 301,311.90

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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.