Home / 262,789.56-394,211.83-120,610.56

Finding the Fourth Proportional to 262,789.56, 394,211.83 and 120,610.56

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Solution

The fourth proportional to 262,789.56, 394,211.83 and 120,610.56 is: 180,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,789.56 : 394,211.83 = 120,610.56 : x
  2. Step 2: Convert to fraction form
    262,789.56/394,211.83 = 120,610.56/x
  3. Step 3: Cross multiply
    262,789.56x = 394,211.83 × 120,610.56
  4. Step 4: Simplify right side
    262,789.56x = 47,546,109,273.40
  5. Step 5: Solve for x
    x = 47,546,109,273.40/262,789.56
  6. Step 6: Final answer
    x = 180,928.46

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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.