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Finding the Fourth Proportional to 226,278, 339,460.67 and 86,025.69

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Solution

The fourth proportional to 226,278, 339,460.67 and 86,025.69 is: 129,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,278 : 339,460.67 = 86,025.69 : x
  2. Step 2: Convert to fraction form
    226,278/339,460.67 = 86,025.69/x
  3. Step 3: Cross multiply
    226,278x = 339,460.67 × 86,025.69
  4. Step 4: Simplify right side
    226,278x = 29,202,338,579.68
  5. Step 5: Solve for x
    x = 29,202,338,579.68/226,278
  6. Step 6: Final answer
    x = 129,055.14

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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.