Home / 439,311.16-658,716.78-172,927.24

Finding the Fourth Proportional to 439,311.16, 658,716.78 and 172,927.24

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Solution

The fourth proportional to 439,311.16, 658,716.78 and 172,927.24 is: 259,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,311.16 : 658,716.78 = 172,927.24 : x
  2. Step 2: Convert to fraction form
    439,311.16/658,716.78 = 172,927.24/x
  3. Step 3: Cross multiply
    439,311.16x = 658,716.78 × 172,927.24
  4. Step 4: Simplify right side
    439,311.16x = 113,910,074,707.09
  5. Step 5: Solve for x
    x = 113,910,074,707.09/439,311.16
  6. Step 6: Final answer
    x = 259,292.47

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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.