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Finding the Fourth Proportional to 219,661.34, 329,115.83 and 119,891.54

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Solution

The fourth proportional to 219,661.34, 329,115.83 and 119,891.54 is: 179,632.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,661.34 : 329,115.83 = 119,891.54 : x
  2. Step 2: Convert to fraction form
    219,661.34/329,115.83 = 119,891.54/x
  3. Step 3: Cross multiply
    219,661.34x = 329,115.83 × 119,891.54
  4. Step 4: Simplify right side
    219,661.34x = 39,458,203,920.41
  5. Step 5: Solve for x
    x = 39,458,203,920.41/219,661.34
  6. Step 6: Final answer
    x = 179,632.00

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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.