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Finding the Fourth Proportional to 392,194.77, 588,540.96 and 167,556.89

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Solution

The fourth proportional to 392,194.77, 588,540.96 and 167,556.89 is: 251,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,194.77 : 588,540.96 = 167,556.89 : x
  2. Step 2: Convert to fraction form
    392,194.77/588,540.96 = 167,556.89/x
  3. Step 3: Cross multiply
    392,194.77x = 588,540.96 × 167,556.89
  4. Step 4: Simplify right side
    392,194.77x = 98,614,094,366.57
  5. Step 5: Solve for x
    x = 98,614,094,366.57/392,194.77
  6. Step 6: Final answer
    x = 251,441.64

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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.