Home / 397,260.80-595,891.20-131,062.40

Finding the Fourth Proportional to 397,260.80, 595,891.20 and 131,062.40

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Solution

The fourth proportional to 397,260.80, 595,891.20 and 131,062.40 is: 196,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,260.80 : 595,891.20 = 131,062.40 : x
  2. Step 2: Convert to fraction form
    397,260.80/595,891.20 = 131,062.40/x
  3. Step 3: Cross multiply
    397,260.80x = 595,891.20 × 131,062.40
  4. Step 4: Simplify right side
    397,260.80x = 78,098,930,810.88
  5. Step 5: Solve for x
    x = 78,098,930,810.88/397,260.80
  6. Step 6: Final answer
    x = 196,593.60

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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.