Home / 329,923.58-494,786.64-172,065.92

Finding the Fourth Proportional to 329,923.58, 494,786.64 and 172,065.92

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Solution

The fourth proportional to 329,923.58, 494,786.64 and 172,065.92 is: 258,047.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,923.58 : 494,786.64 = 172,065.92 : x
  2. Step 2: Convert to fraction form
    329,923.58/494,786.64 = 172,065.92/x
  3. Step 3: Cross multiply
    329,923.58x = 494,786.64 × 172,065.92
  4. Step 4: Simplify right side
    329,923.58x = 85,135,915,941.38
  5. Step 5: Solve for x
    x = 85,135,915,941.38/329,923.58
  6. Step 6: Final answer
    x = 258,047.39

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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.