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Finding the Fourth Proportional to 299,671.52, 449,358.65 and 110,124.23

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Solution

The fourth proportional to 299,671.52, 449,358.65 and 110,124.23 is: 165,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,671.52 : 449,358.65 = 110,124.23 : x
  2. Step 2: Convert to fraction form
    299,671.52/449,358.65 = 110,124.23/x
  3. Step 3: Cross multiply
    299,671.52x = 449,358.65 × 110,124.23
  4. Step 4: Simplify right side
    299,671.52x = 49,485,274,774.47
  5. Step 5: Solve for x
    x = 49,485,274,774.47/299,671.52
  6. Step 6: Final answer
    x = 165,131.72

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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.