Home / 381,616.03-572,436.18-191,972.75

Finding the Fourth Proportional to 381,616.03, 572,436.18 and 191,972.75

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Solution

The fourth proportional to 381,616.03, 572,436.18 and 191,972.75 is: 287,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,616.03 : 572,436.18 = 191,972.75 : x
  2. Step 2: Convert to fraction form
    381,616.03/572,436.18 = 191,972.75/x
  3. Step 3: Cross multiply
    381,616.03x = 572,436.18 × 191,972.75
  4. Step 4: Simplify right side
    381,616.03x = 109,892,149,105.19
  5. Step 5: Solve for x
    x = 109,892,149,105.19/381,616.03
  6. Step 6: Final answer
    x = 287,965.24

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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.