Home / 439,211.16-658,974.78-172,824.12

Finding the Fourth Proportional to 439,211.16, 658,974.78 and 172,824.12

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Solution

The fourth proportional to 439,211.16, 658,974.78 and 172,824.12 is: 259,298.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,211.16 : 658,974.78 = 172,824.12 : x
  2. Step 2: Convert to fraction form
    439,211.16/658,974.78 = 172,824.12/x
  3. Step 3: Cross multiply
    439,211.16x = 658,974.78 × 172,824.12
  4. Step 4: Simplify right side
    439,211.16x = 113,886,736,455.69
  5. Step 5: Solve for x
    x = 113,886,736,455.69/439,211.16
  6. Step 6: Final answer
    x = 259,298.37

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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.