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Finding the Fourth Proportional to 202,474.20, 303,711.30 and 62,214.60

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Solution

The fourth proportional to 202,474.20, 303,711.30 and 62,214.60 is: 93,321.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,474.20 : 303,711.30 = 62,214.60 : x
  2. Step 2: Convert to fraction form
    202,474.20/303,711.30 = 62,214.60/x
  3. Step 3: Cross multiply
    202,474.20x = 303,711.30 × 62,214.60
  4. Step 4: Simplify right side
    202,474.20x = 18,895,277,044.98
  5. Step 5: Solve for x
    x = 18,895,277,044.98/202,474.20
  6. Step 6: Final answer
    x = 93,321.90

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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.