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Finding the Fourth Proportional to 550,308.66, 825,377.85 and 226,129.62

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Solution

The fourth proportional to 550,308.66, 825,377.85 and 226,129.62 is: 339,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,308.66 : 825,377.85 = 226,129.62 : x
  2. Step 2: Convert to fraction form
    550,308.66/825,377.85 = 226,129.62/x
  3. Step 3: Cross multiply
    550,308.66x = 825,377.85 × 226,129.62
  4. Step 4: Simplify right side
    550,308.66x = 186,642,379,576.92
  5. Step 5: Solve for x
    x = 186,642,379,576.92/550,308.66
  6. Step 6: Final answer
    x = 339,159.44

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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.