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Finding the Fourth Proportional to 202,634.60, 303,951.90 and 62,436.20

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Solution

The fourth proportional to 202,634.60, 303,951.90 and 62,436.20 is: 93,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,634.60 : 303,951.90 = 62,436.20 : x
  2. Step 2: Convert to fraction form
    202,634.60/303,951.90 = 62,436.20/x
  3. Step 3: Cross multiply
    202,634.60x = 303,951.90 × 62,436.20
  4. Step 4: Simplify right side
    202,634.60x = 18,977,601,618.78
  5. Step 5: Solve for x
    x = 18,977,601,618.78/202,634.60
  6. Step 6: Final answer
    x = 93,654.30

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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.