Home / 322,258.40-444,729.20-220,497.29

Finding the Fourth Proportional to 322,258.40, 444,729.20 and 220,497.29

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Solution

The fourth proportional to 322,258.40, 444,729.20 and 220,497.29 is: 304,294.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,258.40 : 444,729.20 = 220,497.29 : x
  2. Step 2: Convert to fraction form
    322,258.40/444,729.20 = 220,497.29/x
  3. Step 3: Cross multiply
    322,258.40x = 444,729.20 × 220,497.29
  4. Step 4: Simplify right side
    322,258.40x = 98,061,580,057.74
  5. Step 5: Solve for x
    x = 98,061,580,057.74/322,258.40
  6. Step 6: Final answer
    x = 304,294.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.