Home / 348,819.37-481,375.77-195,890.66

Finding the Fourth Proportional to 348,819.37, 481,375.77 and 195,890.66

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Solution

The fourth proportional to 348,819.37, 481,375.77 and 195,890.66 is: 270,331.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,819.37 : 481,375.77 = 195,890.66 : x
  2. Step 2: Convert to fraction form
    348,819.37/481,375.77 = 195,890.66/x
  3. Step 3: Cross multiply
    348,819.37x = 481,375.77 × 195,890.66
  4. Step 4: Simplify right side
    348,819.37x = 94,297,017,293.31
  5. Step 5: Solve for x
    x = 94,297,017,293.31/348,819.37
  6. Step 6: Final answer
    x = 270,331.94

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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.