Home / 372,207.09-558,540.24-172,490.25

Finding the Fourth Proportional to 372,207.09, 558,540.24 and 172,490.25

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Solution

The fourth proportional to 372,207.09, 558,540.24 and 172,490.25 is: 258,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,207.09 : 558,540.24 = 172,490.25 : x
  2. Step 2: Convert to fraction form
    372,207.09/558,540.24 = 172,490.25/x
  3. Step 3: Cross multiply
    372,207.09x = 558,540.24 × 172,490.25
  4. Step 4: Simplify right side
    372,207.09x = 96,342,745,632.66
  5. Step 5: Solve for x
    x = 96,342,745,632.66/372,207.09
  6. Step 6: Final answer
    x = 258,841.78

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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.