Home / 300,198.15-450,452.43-131,836.80

Finding the Fourth Proportional to 300,198.15, 450,452.43 and 131,836.80

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Solution

The fourth proportional to 300,198.15, 450,452.43 and 131,836.80 is: 197,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,198.15 : 450,452.43 = 131,836.80 : x
  2. Step 2: Convert to fraction form
    300,198.15/450,452.43 = 131,836.80/x
  3. Step 3: Cross multiply
    300,198.15x = 450,452.43 × 131,836.80
  4. Step 4: Simplify right side
    300,198.15x = 59,386,206,923.42
  5. Step 5: Solve for x
    x = 59,386,206,923.42/300,198.15
  6. Step 6: Final answer
    x = 197,823.36

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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.