Home / 222,819.20-334,525.44-129,392

Finding the Fourth Proportional to 222,819.20, 334,525.44 and 129,392

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Solution

The fourth proportional to 222,819.20, 334,525.44 and 129,392 is: 194,260.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,819.20 : 334,525.44 = 129,392 : x
  2. Step 2: Convert to fraction form
    222,819.20/334,525.44 = 129,392/x
  3. Step 3: Cross multiply
    222,819.20x = 334,525.44 × 129,392
  4. Step 4: Simplify right side
    222,819.20x = 43,284,915,732.48
  5. Step 5: Solve for x
    x = 43,284,915,732.48/222,819.20
  6. Step 6: Final answer
    x = 194,260.26

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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.