Home / 386,668.54-579,815.30-226,796.72

Finding the Fourth Proportional to 386,668.54, 579,815.30 and 226,796.72

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Solution

The fourth proportional to 386,668.54, 579,815.30 and 226,796.72 is: 340,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,668.54 : 579,815.30 = 226,796.72 : x
  2. Step 2: Convert to fraction form
    386,668.54/579,815.30 = 226,796.72/x
  3. Step 3: Cross multiply
    386,668.54x = 579,815.30 × 226,796.72
  4. Step 4: Simplify right side
    386,668.54x = 131,500,204,212.76
  5. Step 5: Solve for x
    x = 131,500,204,212.76/386,668.54
  6. Step 6: Final answer
    x = 340,085.09

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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.