Home / 343,919.28-516,228.84-231,245.04

Finding the Fourth Proportional to 343,919.28, 516,228.84 and 231,245.04

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Solution

The fourth proportional to 343,919.28, 516,228.84 and 231,245.04 is: 347,102.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,919.28 : 516,228.84 = 231,245.04 : x
  2. Step 2: Convert to fraction form
    343,919.28/516,228.84 = 231,245.04/x
  3. Step 3: Cross multiply
    343,919.28x = 516,228.84 × 231,245.04
  4. Step 4: Simplify right side
    343,919.28x = 119,375,358,754.95
  5. Step 5: Solve for x
    x = 119,375,358,754.95/343,919.28
  6. Step 6: Final answer
    x = 347,102.84

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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.