Home / 317,817.33-438,481.13-179,977.47

Finding the Fourth Proportional to 317,817.33, 438,481.13 and 179,977.47

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Solution

The fourth proportional to 317,817.33, 438,481.13 and 179,977.47 is: 248,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,817.33 : 438,481.13 = 179,977.47 : x
  2. Step 2: Convert to fraction form
    317,817.33/438,481.13 = 179,977.47/x
  3. Step 3: Cross multiply
    317,817.33x = 438,481.13 × 179,977.47
  4. Step 4: Simplify right side
    317,817.33x = 78,916,723,520.25
  5. Step 5: Solve for x
    x = 78,916,723,520.25/317,817.33
  6. Step 6: Final answer
    x = 248,308.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.