Home / 392,314.28-541,454.10-222,512.36

Finding the Fourth Proportional to 392,314.28, 541,454.10 and 222,512.36

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Solution

The fourth proportional to 392,314.28, 541,454.10 and 222,512.36 is: 307,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,314.28 : 541,454.10 = 222,512.36 : x
  2. Step 2: Convert to fraction form
    392,314.28/541,454.10 = 222,512.36/x
  3. Step 3: Cross multiply
    392,314.28x = 541,454.10 × 222,512.36
  4. Step 4: Simplify right side
    392,314.28x = 120,480,229,622.68
  5. Step 5: Solve for x
    x = 120,480,229,622.68/392,314.28
  6. Step 6: Final answer
    x = 307,101.31

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1.5x scale

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.