Home / 320,838.14-481,074.97-131,076.34

Finding the Fourth Proportional to 320,838.14, 481,074.97 and 131,076.34

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Solution

The fourth proportional to 320,838.14, 481,074.97 and 131,076.34 is: 196,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,838.14 : 481,074.97 = 131,076.34 : x
  2. Step 2: Convert to fraction form
    320,838.14/481,074.97 = 131,076.34/x
  3. Step 3: Cross multiply
    320,838.14x = 481,074.97 × 131,076.34
  4. Step 4: Simplify right side
    320,838.14x = 63,057,543,272.45
  5. Step 5: Solve for x
    x = 63,057,543,272.45/320,838.14
  6. Step 6: Final answer
    x = 196,540.05

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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.