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Finding the Fourth Proportional to 452,883.29, 679,324.49 and 115,923.39

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Solution

The fourth proportional to 452,883.29, 679,324.49 and 115,923.39 is: 173,884.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,883.29 : 679,324.49 = 115,923.39 : x
  2. Step 2: Convert to fraction form
    452,883.29/679,324.49 = 115,923.39/x
  3. Step 3: Cross multiply
    452,883.29x = 679,324.49 × 115,923.39
  4. Step 4: Simplify right side
    452,883.29x = 78,749,597,211.20
  5. Step 5: Solve for x
    x = 78,749,597,211.20/452,883.29
  6. Step 6: Final answer
    x = 173,884.97

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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.