Home / 222,494.40-334,519.20-217,828.80

Finding the Fourth Proportional to 222,494.40, 334,519.20 and 217,828.80

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Solution

The fourth proportional to 222,494.40, 334,519.20 and 217,828.80 is: 327,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,494.40 : 334,519.20 = 217,828.80 : x
  2. Step 2: Convert to fraction form
    222,494.40/334,519.20 = 217,828.80/x
  3. Step 3: Cross multiply
    222,494.40x = 334,519.20 × 217,828.80
  4. Step 4: Simplify right side
    222,494.40x = 72,867,915,912.96
  5. Step 5: Solve for x
    x = 72,867,915,912.96/222,494.40
  6. Step 6: Final answer
    x = 327,504.49

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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.