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Finding the Fourth Proportional to 222,611.58, 333,932.82 and 89,491.89

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Solution

The fourth proportional to 222,611.58, 333,932.82 and 89,491.89 is: 134,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,611.58 : 333,932.82 = 89,491.89 : x
  2. Step 2: Convert to fraction form
    222,611.58/333,932.82 = 89,491.89/x
  3. Step 3: Cross multiply
    222,611.58x = 333,932.82 × 89,491.89
  4. Step 4: Simplify right side
    222,611.58x = 29,884,279,194.83
  5. Step 5: Solve for x
    x = 29,884,279,194.83/222,611.58
  6. Step 6: Final answer
    x = 134,244.05

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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.