Home / 381,849.80-572,995.01-204,455.75

Finding the Fourth Proportional to 381,849.80, 572,995.01 and 204,455.75

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Solution

The fourth proportional to 381,849.80, 572,995.01 and 204,455.75 is: 306,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,849.80 : 572,995.01 = 204,455.75 : x
  2. Step 2: Convert to fraction form
    381,849.80/572,995.01 = 204,455.75/x
  3. Step 3: Cross multiply
    381,849.80x = 572,995.01 × 204,455.75
  4. Step 4: Simplify right side
    381,849.80x = 117,152,122,161.97
  5. Step 5: Solve for x
    x = 117,152,122,161.97/381,849.80
  6. Step 6: Final answer
    x = 306,801.58

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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.