Home / 439,377.64-658,829.32-199,360.56

Finding the Fourth Proportional to 439,377.64, 658,829.32 and 199,360.56

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Solution

The fourth proportional to 439,377.64, 658,829.32 and 199,360.56 is: 298,933.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,377.64 : 658,829.32 = 199,360.56 : x
  2. Step 2: Convert to fraction form
    439,377.64/658,829.32 = 199,360.56/x
  3. Step 3: Cross multiply
    439,377.64x = 658,829.32 × 199,360.56
  4. Step 4: Simplify right side
    439,377.64x = 131,344,582,179.62
  5. Step 5: Solve for x
    x = 131,344,582,179.62/439,377.64
  6. Step 6: Final answer
    x = 298,933.24

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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.