Home / 271,914.40-407,712.03-82,317.70

Finding the Fourth Proportional to 271,914.40, 407,712.03 and 82,317.70

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Solution

The fourth proportional to 271,914.40, 407,712.03 and 82,317.70 is: 123,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,914.40 : 407,712.03 = 82,317.70 : x
  2. Step 2: Convert to fraction form
    271,914.40/407,712.03 = 82,317.70/x
  3. Step 3: Cross multiply
    271,914.40x = 407,712.03 × 82,317.70
  4. Step 4: Simplify right side
    271,914.40x = 33,561,916,571.93
  5. Step 5: Solve for x
    x = 33,561,916,571.93/271,914.40
  6. Step 6: Final answer
    x = 123,428.24

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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.