Home / 329,923.08-494,785.89-172,065.42

Finding the Fourth Proportional to 329,923.08, 494,785.89 and 172,065.42

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Solution

The fourth proportional to 329,923.08, 494,785.89 and 172,065.42 is: 258,046.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,923.08 : 494,785.89 = 172,065.42 : x
  2. Step 2: Convert to fraction form
    329,923.08/494,785.89 = 172,065.42/x
  3. Step 3: Cross multiply
    329,923.08x = 494,785.89 × 172,065.42
  4. Step 4: Simplify right side
    329,923.08x = 85,135,541,972.92
  5. Step 5: Solve for x
    x = 85,135,541,972.92/329,923.08
  6. Step 6: Final answer
    x = 258,046.64

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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.