Home / 438,932.60-658,004.70-172,874.60

Finding the Fourth Proportional to 438,932.60, 658,004.70 and 172,874.60

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Solution

The fourth proportional to 438,932.60, 658,004.70 and 172,874.60 is: 259,156.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,932.60 : 658,004.70 = 172,874.60 : x
  2. Step 2: Convert to fraction form
    438,932.60/658,004.70 = 172,874.60/x
  3. Step 3: Cross multiply
    438,932.60x = 658,004.70 × 172,874.60
  4. Step 4: Simplify right side
    438,932.60x = 113,752,299,310.62
  5. Step 5: Solve for x
    x = 113,752,299,310.62/438,932.60
  6. Step 6: Final answer
    x = 259,156.64

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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.