Home / 297,049.28-443,400.58-255,198.30

Finding the Fourth Proportional to 297,049.28, 443,400.58 and 255,198.30

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Solution

The fourth proportional to 297,049.28, 443,400.58 and 255,198.30 is: 380,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,049.28 : 443,400.58 = 255,198.30 : x
  2. Step 2: Convert to fraction form
    297,049.28/443,400.58 = 255,198.30/x
  3. Step 3: Cross multiply
    297,049.28x = 443,400.58 × 255,198.30
  4. Step 4: Simplify right side
    297,049.28x = 113,155,072,891.26
  5. Step 5: Solve for x
    x = 113,155,072,891.26/297,049.28
  6. Step 6: Final answer
    x = 380,930.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.