Home / 383,789.62-575,680.38-131,067.22

Finding the Fourth Proportional to 383,789.62, 575,680.38 and 131,067.22

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Solution

The fourth proportional to 383,789.62, 575,680.38 and 131,067.22 is: 196,599.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,789.62 : 575,680.38 = 131,067.22 : x
  2. Step 2: Convert to fraction form
    383,789.62/575,680.38 = 131,067.22/x
  3. Step 3: Cross multiply
    383,789.62x = 575,680.38 × 131,067.22
  4. Step 4: Simplify right side
    383,789.62x = 75,452,827,015.14
  5. Step 5: Solve for x
    x = 75,452,827,015.14/383,789.62
  6. Step 6: Final answer
    x = 196,599.45

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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.