Home / 226,288.75-339,476.84-86,036.47

Finding the Fourth Proportional to 226,288.75, 339,476.84 and 86,036.47

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Solution

The fourth proportional to 226,288.75, 339,476.84 and 86,036.47 is: 129,071.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,288.75 : 339,476.84 = 86,036.47 : x
  2. Step 2: Convert to fraction form
    226,288.75/339,476.84 = 86,036.47/x
  3. Step 3: Cross multiply
    226,288.75x = 339,476.84 × 86,036.47
  4. Step 4: Simplify right side
    226,288.75x = 29,207,388,530.17
  5. Step 5: Solve for x
    x = 29,207,388,530.17/226,288.75
  6. Step 6: Final answer
    x = 129,071.32

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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.