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Finding the Fourth Proportional to 222,197.98, 333,289.47 and 89,042.48

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Solution

The fourth proportional to 222,197.98, 333,289.47 and 89,042.48 is: 133,560.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,197.98 : 333,289.47 = 89,042.48 : x
  2. Step 2: Convert to fraction form
    222,197.98/333,289.47 = 89,042.48/x
  3. Step 3: Cross multiply
    222,197.98x = 333,289.47 × 89,042.48
  4. Step 4: Simplify right side
    222,197.98x = 29,676,920,966.69
  5. Step 5: Solve for x
    x = 29,676,920,966.69/222,197.98
  6. Step 6: Final answer
    x = 133,560.71

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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.