Home / 220,351.42-329,723.61-203,624.38

Finding the Fourth Proportional to 220,351.42, 329,723.61 and 203,624.38

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Solution

The fourth proportional to 220,351.42, 329,723.61 and 203,624.38 is: 304,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,351.42 : 329,723.61 = 203,624.38 : x
  2. Step 2: Convert to fraction form
    220,351.42/329,723.61 = 203,624.38/x
  3. Step 3: Cross multiply
    220,351.42x = 329,723.61 × 203,624.38
  4. Step 4: Simplify right side
    220,351.42x = 67,139,765,657.61
  5. Step 5: Solve for x
    x = 67,139,765,657.61/220,351.42
  6. Step 6: Final answer
    x = 304,694.05

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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.