Home / 226,274.25-339,455.05-86,021.94

Finding the Fourth Proportional to 226,274.25, 339,455.05 and 86,021.94

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Solution

The fourth proportional to 226,274.25, 339,455.05 and 86,021.94 is: 129,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,274.25 : 339,455.05 = 86,021.94 : x
  2. Step 2: Convert to fraction form
    226,274.25/339,455.05 = 86,021.94/x
  3. Step 3: Cross multiply
    226,274.25x = 339,455.05 × 86,021.94
  4. Step 4: Simplify right side
    226,274.25x = 29,200,581,728.74
  5. Step 5: Solve for x
    x = 29,200,581,728.74/226,274.25
  6. Step 6: Final answer
    x = 129,049.51

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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.