Home / 225,475.23-338,221.05-75,720.41

Finding the Fourth Proportional to 225,475.23, 338,221.05 and 75,720.41

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Solution

The fourth proportional to 225,475.23, 338,221.05 and 75,720.41 is: 113,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,475.23 : 338,221.05 = 75,720.41 : x
  2. Step 2: Convert to fraction form
    225,475.23/338,221.05 = 75,720.41/x
  3. Step 3: Cross multiply
    225,475.23x = 338,221.05 × 75,720.41
  4. Step 4: Simplify right side
    225,475.23x = 25,610,236,576.63
  5. Step 5: Solve for x
    x = 25,610,236,576.63/225,475.23
  6. Step 6: Final answer
    x = 113,583.37

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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.