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Finding the Fourth Proportional to 299,893.04, 449,692.68 and 100,144.88

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Solution

The fourth proportional to 299,893.04, 449,692.68 and 100,144.88 is: 150,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,893.04 : 449,692.68 = 100,144.88 : x
  2. Step 2: Convert to fraction form
    299,893.04/449,692.68 = 100,144.88/x
  3. Step 3: Cross multiply
    299,893.04x = 449,692.68 × 100,144.88
  4. Step 4: Simplify right side
    299,893.04x = 45,034,419,475.48
  5. Step 5: Solve for x
    x = 45,034,419,475.48/299,893.04
  6. Step 6: Final answer
    x = 150,168.27

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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.