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Finding the Fourth Proportional to 300,001.72, 449,850.90 and 100,252.60

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Solution

The fourth proportional to 300,001.72, 449,850.90 and 100,252.60 is: 150,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,001.72 : 449,850.90 = 100,252.60 : x
  2. Step 2: Convert to fraction form
    300,001.72/449,850.90 = 100,252.60/x
  3. Step 3: Cross multiply
    300,001.72x = 449,850.90 × 100,252.60
  4. Step 4: Simplify right side
    300,001.72x = 45,098,722,337.34
  5. Step 5: Solve for x
    x = 45,098,722,337.34/300,001.72
  6. Step 6: Final answer
    x = 150,328.21

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1.5x scale

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.