Home / 219,721.33-329,579.60-166,738.69

Finding the Fourth Proportional to 219,721.33, 329,579.60 and 166,738.69

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Solution

The fourth proportional to 219,721.33, 329,579.60 and 166,738.69 is: 250,106.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,721.33 : 329,579.60 = 166,738.69 : x
  2. Step 2: Convert to fraction form
    219,721.33/329,579.60 = 166,738.69/x
  3. Step 3: Cross multiply
    219,721.33x = 329,579.60 × 166,738.69
  4. Step 4: Simplify right side
    219,721.33x = 54,953,669,097.08
  5. Step 5: Solve for x
    x = 54,953,669,097.08/219,721.33
  6. Step 6: Final answer
    x = 250,106.21

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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.