Home / 226,590.92-339,653.09-121,381.64

Finding the Fourth Proportional to 226,590.92, 339,653.09 and 121,381.64

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Solution

The fourth proportional to 226,590.92, 339,653.09 and 121,381.64 is: 181,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,590.92 : 339,653.09 = 121,381.64 : x
  2. Step 2: Convert to fraction form
    226,590.92/339,653.09 = 121,381.64/x
  3. Step 3: Cross multiply
    226,590.92x = 339,653.09 × 121,381.64
  4. Step 4: Simplify right side
    226,590.92x = 41,227,647,700.46
  5. Step 5: Solve for x
    x = 41,227,647,700.46/226,590.92
  6. Step 6: Final answer
    x = 181,947.49

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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.