Home / 225,549.25-338,217.91-130,806.35

Finding the Fourth Proportional to 225,549.25, 338,217.91 and 130,806.35

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Solution

The fourth proportional to 225,549.25, 338,217.91 and 130,806.35 is: 196,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,549.25 : 338,217.91 = 130,806.35 : x
  2. Step 2: Convert to fraction form
    225,549.25/338,217.91 = 130,806.35/x
  3. Step 3: Cross multiply
    225,549.25x = 338,217.91 × 130,806.35
  4. Step 4: Simplify right side
    225,549.25x = 44,241,050,311.73
  5. Step 5: Solve for x
    x = 44,241,050,311.73/225,549.25
  6. Step 6: Final answer
    x = 196,148.07

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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.