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Finding the Fourth Proportional to 222,609.60, 333,622.80 and 89,380.80

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Solution

The fourth proportional to 222,609.60, 333,622.80 and 89,380.80 is: 133,954.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,609.60 : 333,622.80 = 89,380.80 : x
  2. Step 2: Convert to fraction form
    222,609.60/333,622.80 = 89,380.80/x
  3. Step 3: Cross multiply
    222,609.60x = 333,622.80 × 89,380.80
  4. Step 4: Simplify right side
    222,609.60x = 29,819,472,762.24
  5. Step 5: Solve for x
    x = 29,819,472,762.24/222,609.60
  6. Step 6: Final answer
    x = 133,954.12

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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.