Home / 226,544.72-339,604.80-76,680.16

Finding the Fourth Proportional to 226,544.72, 339,604.80 and 76,680.16

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Solution

The fourth proportional to 226,544.72, 339,604.80 and 76,680.16 is: 114,948.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,544.72 : 339,604.80 = 76,680.16 : x
  2. Step 2: Convert to fraction form
    226,544.72/339,604.80 = 76,680.16/x
  3. Step 3: Cross multiply
    226,544.72x = 339,604.80 × 76,680.16
  4. Step 4: Simplify right side
    226,544.72x = 26,040,950,400.77
  5. Step 5: Solve for x
    x = 26,040,950,400.77/226,544.72
  6. Step 6: Final answer
    x = 114,948.39

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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.