Home / 222,861.20-334,588.44-129,434

Finding the Fourth Proportional to 222,861.20, 334,588.44 and 129,434

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Solution

The fourth proportional to 222,861.20, 334,588.44 and 129,434 is: 194,323.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,861.20 : 334,588.44 = 129,434 : x
  2. Step 2: Convert to fraction form
    222,861.20/334,588.44 = 129,434/x
  3. Step 3: Cross multiply
    222,861.20x = 334,588.44 × 129,434
  4. Step 4: Simplify right side
    222,861.20x = 43,307,120,142.96
  5. Step 5: Solve for x
    x = 43,307,120,142.96/222,861.20
  6. Step 6: Final answer
    x = 194,323.28

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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.