Home / 225,546.49-338,213.79-130,803.60

Finding the Fourth Proportional to 225,546.49, 338,213.79 and 130,803.60

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Solution

The fourth proportional to 225,546.49, 338,213.79 and 130,803.60 is: 196,143.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,546.49 : 338,213.79 = 130,803.60 : x
  2. Step 2: Convert to fraction form
    225,546.49/338,213.79 = 130,803.60/x
  3. Step 3: Cross multiply
    225,546.49x = 338,213.79 × 130,803.60
  4. Step 4: Simplify right side
    225,546.49x = 44,239,581,301.64
  5. Step 5: Solve for x
    x = 44,239,581,301.64/225,546.49
  6. Step 6: Final answer
    x = 196,143.96

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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.