Home / 218,427.22-327,663.19-83,604.56

Finding the Fourth Proportional to 218,427.22, 327,663.19 and 83,604.56

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Solution

The fourth proportional to 218,427.22, 327,663.19 and 83,604.56 is: 125,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,427.22 : 327,663.19 = 83,604.56 : x
  2. Step 2: Convert to fraction form
    218,427.22/327,663.19 = 83,604.56/x
  3. Step 3: Cross multiply
    218,427.22x = 327,663.19 × 83,604.56
  4. Step 4: Simplify right side
    218,427.22x = 27,394,134,771.81
  5. Step 5: Solve for x
    x = 27,394,134,771.81/218,427.22
  6. Step 6: Final answer
    x = 125,415.39

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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.