Home / 271,540.42-407,313.60-82,002.38

Finding the Fourth Proportional to 271,540.42, 407,313.60 and 82,002.38

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Solution

The fourth proportional to 271,540.42, 407,313.60 and 82,002.38 is: 123,004.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,540.42 : 407,313.60 = 82,002.38 : x
  2. Step 2: Convert to fraction form
    271,540.42/407,313.60 = 82,002.38/x
  3. Step 3: Cross multiply
    271,540.42x = 407,313.60 × 82,002.38
  4. Step 4: Simplify right side
    271,540.42x = 33,400,684,606.37
  5. Step 5: Solve for x
    x = 33,400,684,606.37/271,540.42
  6. Step 6: Final answer
    x = 123,004.47

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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.