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Finding the Fourth Proportional to 299,951.68, 449,779.20 and 100,203.52

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Solution

The fourth proportional to 299,951.68, 449,779.20 and 100,203.52 is: 150,255.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,951.68 : 449,779.20 = 100,203.52 : x
  2. Step 2: Convert to fraction form
    299,951.68/449,779.20 = 100,203.52/x
  3. Step 3: Cross multiply
    299,951.68x = 449,779.20 × 100,203.52
  4. Step 4: Simplify right side
    299,951.68x = 45,069,459,062.78
  5. Step 5: Solve for x
    x = 45,069,459,062.78/299,951.68
  6. Step 6: Final answer
    x = 150,255.73

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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.