Home / 392,171.20-541,196.27-222,405.33

Finding the Fourth Proportional to 392,171.20, 541,196.27 and 222,405.33

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Solution

The fourth proportional to 392,171.20, 541,196.27 and 222,405.33 is: 306,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,171.20 : 541,196.27 = 222,405.33 : x
  2. Step 2: Convert to fraction form
    392,171.20/541,196.27 = 222,405.33/x
  3. Step 3: Cross multiply
    392,171.20x = 541,196.27 × 222,405.33
  4. Step 4: Simplify right side
    392,171.20x = 120,364,933,731.37
  5. Step 5: Solve for x
    x = 120,364,933,731.37/392,171.20
  6. Step 6: Final answer
    x = 306,919.36

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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.