Home / 392,614.85-541,811.09-222,851.81

Finding the Fourth Proportional to 392,614.85, 541,811.09 and 222,851.81

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Solution

The fourth proportional to 392,614.85, 541,811.09 and 222,851.81 is: 307,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,614.85 : 541,811.09 = 222,851.81 : x
  2. Step 2: Convert to fraction form
    392,614.85/541,811.09 = 222,851.81/x
  3. Step 3: Cross multiply
    392,614.85x = 541,811.09 × 222,851.81
  4. Step 4: Simplify right side
    392,614.85x = 120,743,582,084.57
  5. Step 5: Solve for x
    x = 120,743,582,084.57/392,614.85
  6. Step 6: Final answer
    x = 307,536.97

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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.