Home / 392,738.92-541,885.62-231,581.32

Finding the Fourth Proportional to 392,738.92, 541,885.62 and 231,581.32

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Solution

The fourth proportional to 392,738.92, 541,885.62 and 231,581.32 is: 319,526.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,738.92 : 541,885.62 = 231,581.32 : x
  2. Step 2: Convert to fraction form
    392,738.92/541,885.62 = 231,581.32/x
  3. Step 3: Cross multiply
    392,738.92x = 541,885.62 × 231,581.32
  4. Step 4: Simplify right side
    392,738.92x = 125,490,587,168.62
  5. Step 5: Solve for x
    x = 125,490,587,168.62/392,738.92
  6. Step 6: Final answer
    x = 319,526.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.