Home / 222,406.20-333,609.30-211,519.80

Finding the Fourth Proportional to 222,406.20, 333,609.30 and 211,519.80

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Solution

The fourth proportional to 222,406.20, 333,609.30 and 211,519.80 is: 317,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,406.20 : 333,609.30 = 211,519.80 : x
  2. Step 2: Convert to fraction form
    222,406.20/333,609.30 = 211,519.80/x
  3. Step 3: Cross multiply
    222,406.20x = 333,609.30 × 211,519.80
  4. Step 4: Simplify right side
    222,406.20x = 70,564,972,414.14
  5. Step 5: Solve for x
    x = 70,564,972,414.14/222,406.20
  6. Step 6: Final answer
    x = 317,279.70

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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.