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Finding the Fourth Proportional to 299,887.97, 449,855.17 and 100,209.04

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Solution

The fourth proportional to 299,887.97, 449,855.17 and 100,209.04 is: 150,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,887.97 : 449,855.17 = 100,209.04 : x
  2. Step 2: Convert to fraction form
    299,887.97/449,855.17 = 100,209.04/x
  3. Step 3: Cross multiply
    299,887.97x = 449,855.17 × 100,209.04
  4. Step 4: Simplify right side
    299,887.97x = 45,079,553,349.58
  5. Step 5: Solve for x
    x = 45,079,553,349.58/299,887.97
  6. Step 6: Final answer
    x = 150,321.32

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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.