Home / 438,980.22-658,167.76-172,771.29

Finding the Fourth Proportional to 438,980.22, 658,167.76 and 172,771.29

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Solution

The fourth proportional to 438,980.22, 658,167.76 and 172,771.29 is: 259,037.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,980.22 : 658,167.76 = 172,771.29 : x
  2. Step 2: Convert to fraction form
    438,980.22/658,167.76 = 172,771.29/x
  3. Step 3: Cross multiply
    438,980.22x = 658,167.76 × 172,771.29
  4. Step 4: Simplify right side
    438,980.22x = 113,712,493,147.58
  5. Step 5: Solve for x
    x = 113,712,493,147.58/438,980.22
  6. Step 6: Final answer
    x = 259,037.85

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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.