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Finding the Fourth Proportional to 222,548.45, 333,866.41 and 82,308.29

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Solution

The fourth proportional to 222,548.45, 333,866.41 and 82,308.29 is: 123,478.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,548.45 : 333,866.41 = 82,308.29 : x
  2. Step 2: Convert to fraction form
    222,548.45/333,866.41 = 82,308.29/x
  3. Step 3: Cross multiply
    222,548.45x = 333,866.41 × 82,308.29
  4. Step 4: Simplify right side
    222,548.45x = 27,479,971,420.44
  5. Step 5: Solve for x
    x = 27,479,971,420.44/222,548.45
  6. Step 6: Final answer
    x = 123,478.60

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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.