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Finding the Fourth Proportional to 300,003.80, 449,276.70 and 159,452.60

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Solution

The fourth proportional to 300,003.80, 449,276.70 and 159,452.60 is: 238,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,003.80 : 449,276.70 = 159,452.60 : x
  2. Step 2: Convert to fraction form
    300,003.80/449,276.70 = 159,452.60/x
  3. Step 3: Cross multiply
    300,003.80x = 449,276.70 × 159,452.60
  4. Step 4: Simplify right side
    300,003.80x = 71,638,337,934.42
  5. Step 5: Solve for x
    x = 71,638,337,934.42/300,003.80
  6. Step 6: Final answer
    x = 238,791.44

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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.