Home / 330,645.20-495,552.87-178,836.21

Finding the Fourth Proportional to 330,645.20, 495,552.87 and 178,836.21

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Solution

The fourth proportional to 330,645.20, 495,552.87 and 178,836.21 is: 268,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,645.20 : 495,552.87 = 178,836.21 : x
  2. Step 2: Convert to fraction form
    330,645.20/495,552.87 = 178,836.21/x
  3. Step 3: Cross multiply
    330,645.20x = 495,552.87 × 178,836.21
  4. Step 4: Simplify right side
    330,645.20x = 88,622,797,125.42
  5. Step 5: Solve for x
    x = 88,622,797,125.42/330,645.20
  6. Step 6: Final answer
    x = 268,029.90

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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.