Home / 219,738.66-329,578.85-61,979.82

Finding the Fourth Proportional to 219,738.66, 329,578.85 and 61,979.82

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Solution

The fourth proportional to 219,738.66, 329,578.85 and 61,979.82 is: 92,961.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,738.66 : 329,578.85 = 61,979.82 : x
  2. Step 2: Convert to fraction form
    219,738.66/329,578.85 = 61,979.82/x
  3. Step 3: Cross multiply
    219,738.66x = 329,578.85 × 61,979.82
  4. Step 4: Simplify right side
    219,738.66x = 20,427,237,488.91
  5. Step 5: Solve for x
    x = 20,427,237,488.91/219,738.66
  6. Step 6: Final answer
    x = 92,961.51

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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.