Home / 299,723.20-449,757.60-112,868.80

Finding the Fourth Proportional to 299,723.20, 449,757.60 and 112,868.80

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Solution

The fourth proportional to 299,723.20, 449,757.60 and 112,868.80 is: 169,368.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,723.20 : 449,757.60 = 112,868.80 : x
  2. Step 2: Convert to fraction form
    299,723.20/449,757.60 = 112,868.80/x
  3. Step 3: Cross multiply
    299,723.20x = 449,757.60 × 112,868.80
  4. Step 4: Simplify right side
    299,723.20x = 50,763,600,602.88
  5. Step 5: Solve for x
    x = 50,763,600,602.88/299,723.20
  6. Step 6: Final answer
    x = 169,368.27

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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.