Home / 271,421.28-407,200.26-159,195.38

Finding the Fourth Proportional to 271,421.28, 407,200.26 and 159,195.38

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Solution

The fourth proportional to 271,421.28, 407,200.26 and 159,195.38 is: 238,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,421.28 : 407,200.26 = 159,195.38 : x
  2. Step 2: Convert to fraction form
    271,421.28/407,200.26 = 159,195.38/x
  3. Step 3: Cross multiply
    271,421.28x = 407,200.26 × 159,195.38
  4. Step 4: Simplify right side
    271,421.28x = 64,824,398,687.78
  5. Step 5: Solve for x
    x = 64,824,398,687.78/271,421.28
  6. Step 6: Final answer
    x = 238,833.15

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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.