Home / 317,761.12-438,493.26-181,780.48

Finding the Fourth Proportional to 317,761.12, 438,493.26 and 181,780.48

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Solution

The fourth proportional to 317,761.12, 438,493.26 and 181,780.48 is: 250,847.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,761.12 : 438,493.26 = 181,780.48 : x
  2. Step 2: Convert to fraction form
    317,761.12/438,493.26 = 181,780.48/x
  3. Step 3: Cross multiply
    317,761.12x = 438,493.26 × 181,780.48
  4. Step 4: Simplify right side
    317,761.12x = 79,709,515,279.56
  5. Step 5: Solve for x
    x = 79,709,515,279.56/317,761.12
  6. Step 6: Final answer
    x = 250,847.29

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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.