Home / 438,835.32-658,194.66-172,524.33

Finding the Fourth Proportional to 438,835.32, 658,194.66 and 172,524.33

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Solution

The fourth proportional to 438,835.32, 658,194.66 and 172,524.33 is: 258,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,835.32 : 658,194.66 = 172,524.33 : x
  2. Step 2: Convert to fraction form
    438,835.32/658,194.66 = 172,524.33/x
  3. Step 3: Cross multiply
    438,835.32x = 658,194.66 × 172,524.33
  4. Step 4: Simplify right side
    438,835.32x = 113,554,592,726.08
  5. Step 5: Solve for x
    x = 113,554,592,726.08/438,835.32
  6. Step 6: Final answer
    x = 258,763.57

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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.