Home / 438,843.57-658,207.04-172,532.58

Finding the Fourth Proportional to 438,843.57, 658,207.04 and 172,532.58

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Solution

The fourth proportional to 438,843.57, 658,207.04 and 172,532.58 is: 258,775.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,843.57 : 658,207.04 = 172,532.58 : x
  2. Step 2: Convert to fraction form
    438,843.57/658,207.04 = 172,532.58/x
  3. Step 3: Cross multiply
    438,843.57x = 658,207.04 × 172,532.58
  4. Step 4: Simplify right side
    438,843.57x = 113,562,157,922.70
  5. Step 5: Solve for x
    x = 113,562,157,922.70/438,843.57
  6. Step 6: Final answer
    x = 258,775.94

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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.