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Finding the Fourth Proportional to 271,914, 375,286.26 and 226,520.07

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Solution

The fourth proportional to 271,914, 375,286.26 and 226,520.07 is: 312,635.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,914 : 375,286.26 = 226,520.07 : x
  2. Step 2: Convert to fraction form
    271,914/375,286.26 = 226,520.07/x
  3. Step 3: Cross multiply
    271,914x = 375,286.26 × 226,520.07
  4. Step 4: Simplify right side
    271,914x = 85,009,869,885.24
  5. Step 5: Solve for x
    x = 85,009,869,885.24/271,914
  6. Step 6: Final answer
    x = 312,635.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.