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Finding the Fourth Proportional to 222,634.98, 333,208.89 and 132,384.78

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Solution

The fourth proportional to 222,634.98, 333,208.89 and 132,384.78 is: 198,135.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,634.98 : 333,208.89 = 132,384.78 : x
  2. Step 2: Convert to fraction form
    222,634.98/333,208.89 = 132,384.78/x
  3. Step 3: Cross multiply
    222,634.98x = 333,208.89 × 132,384.78
  4. Step 4: Simplify right side
    222,634.98x = 44,111,785,596.69
  5. Step 5: Solve for x
    x = 44,111,785,596.69/222,634.98
  6. Step 6: Final answer
    x = 198,135.02

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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.