Home / 339,979.05-469,205.46-194,804.04

Finding the Fourth Proportional to 339,979.05, 469,205.46 and 194,804.04

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Solution

The fourth proportional to 339,979.05, 469,205.46 and 194,804.04 is: 268,849.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,979.05 : 469,205.46 = 194,804.04 : x
  2. Step 2: Convert to fraction form
    339,979.05/469,205.46 = 194,804.04/x
  3. Step 3: Cross multiply
    339,979.05x = 469,205.46 × 194,804.04
  4. Step 4: Simplify right side
    339,979.05x = 91,403,119,198.06
  5. Step 5: Solve for x
    x = 91,403,119,198.06/339,979.05
  6. Step 6: Final answer
    x = 268,849.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.