Home / 219,736.65-329,265.75-148,379.64

Finding the Fourth Proportional to 219,736.65, 329,265.75 and 148,379.64

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Solution

The fourth proportional to 219,736.65, 329,265.75 and 148,379.64 is: 222,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,736.65 : 329,265.75 = 148,379.64 : x
  2. Step 2: Convert to fraction form
    219,736.65/329,265.75 = 148,379.64/x
  3. Step 3: Cross multiply
    219,736.65x = 329,265.75 × 148,379.64
  4. Step 4: Simplify right side
    219,736.65x = 48,856,333,449.33
  5. Step 5: Solve for x
    x = 48,856,333,449.33/219,736.65
  6. Step 6: Final answer
    x = 222,340.39

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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.