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Finding the Fourth Proportional to 222,494.88, 333,756.96 and 89,357.88

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Solution

The fourth proportional to 222,494.88, 333,756.96 and 89,357.88 is: 134,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,494.88 : 333,756.96 = 89,357.88 : x
  2. Step 2: Convert to fraction form
    222,494.88/333,756.96 = 89,357.88/x
  3. Step 3: Cross multiply
    222,494.88x = 333,756.96 × 89,357.88
  4. Step 4: Simplify right side
    222,494.88x = 29,823,814,380.84
  5. Step 5: Solve for x
    x = 29,823,814,380.84/222,494.88
  6. Step 6: Final answer
    x = 134,042.70

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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.