Home / 225,520.47-338,319.79-75,775.37

Finding the Fourth Proportional to 225,520.47, 338,319.79 and 75,775.37

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Solution

The fourth proportional to 225,520.47, 338,319.79 and 75,775.37 is: 113,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,520.47 : 338,319.79 = 75,775.37 : x
  2. Step 2: Convert to fraction form
    225,520.47/338,319.79 = 75,775.37/x
  3. Step 3: Cross multiply
    225,520.47x = 338,319.79 × 75,775.37
  4. Step 4: Simplify right side
    225,520.47x = 25,636,305,384.53
  5. Step 5: Solve for x
    x = 25,636,305,384.53/225,520.47
  6. Step 6: Final answer
    x = 113,676.18

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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.