Home / 225,486.40-338,260.66-75,769.48

Finding the Fourth Proportional to 225,486.40, 338,260.66 and 75,769.48

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Solution

The fourth proportional to 225,486.40, 338,260.66 and 75,769.48 is: 113,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,486.40 : 338,260.66 = 75,769.48 : x
  2. Step 2: Convert to fraction form
    225,486.40/338,260.66 = 75,769.48/x
  3. Step 3: Cross multiply
    225,486.40x = 338,260.66 × 75,769.48
  4. Step 4: Simplify right side
    225,486.40x = 25,629,834,312.66
  5. Step 5: Solve for x
    x = 25,629,834,312.66/225,486.40
  6. Step 6: Final answer
    x = 113,664.66

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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.