Home / 271,512.37-407,334.39-81,961.41

Finding the Fourth Proportional to 271,512.37, 407,334.39 and 81,961.41

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Solution

The fourth proportional to 271,512.37, 407,334.39 and 81,961.41 is: 122,961.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,512.37 : 407,334.39 = 81,961.41 : x
  2. Step 2: Convert to fraction form
    271,512.37/407,334.39 = 81,961.41/x
  3. Step 3: Cross multiply
    271,512.37x = 407,334.39 × 81,961.41
  4. Step 4: Simplify right side
    271,512.37x = 33,385,700,945.89
  5. Step 5: Solve for x
    x = 33,385,700,945.89/271,512.37
  6. Step 6: Final answer
    x = 122,961.99

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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.