Home / 231,007.20-346,251.60-131,215.20

Finding the Fourth Proportional to 231,007.20, 346,251.60 and 131,215.20

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Solution

The fourth proportional to 231,007.20, 346,251.60 and 131,215.20 is: 196,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,007.20 : 346,251.60 = 131,215.20 : x
  2. Step 2: Convert to fraction form
    231,007.20/346,251.60 = 131,215.20/x
  3. Step 3: Cross multiply
    231,007.20x = 346,251.60 × 131,215.20
  4. Step 4: Simplify right side
    231,007.20x = 45,433,472,944.32
  5. Step 5: Solve for x
    x = 45,433,472,944.32/231,007.20
  6. Step 6: Final answer
    x = 196,675.57

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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.