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Finding the Fourth Proportional to 227,279.48, 340,919.04 and 61,067.48

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Solution

The fourth proportional to 227,279.48, 340,919.04 and 61,067.48 is: 91,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,279.48 : 340,919.04 = 61,067.48 : x
  2. Step 2: Convert to fraction form
    227,279.48/340,919.04 = 61,067.48/x
  3. Step 3: Cross multiply
    227,279.48x = 340,919.04 × 61,067.48
  4. Step 4: Simplify right side
    227,279.48x = 20,819,066,656.82
  5. Step 5: Solve for x
    x = 20,819,066,656.82/227,279.48
  6. Step 6: Final answer
    x = 91,601.17

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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.