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Finding the Fourth Proportional to 376,660, 565,143.72 and 199,119.52

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Solution

The fourth proportional to 376,660, 565,143.72 and 199,119.52 is: 298,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,660 : 565,143.72 = 199,119.52 : x
  2. Step 2: Convert to fraction form
    376,660/565,143.72 = 199,119.52/x
  3. Step 3: Cross multiply
    376,660x = 565,143.72 × 199,119.52
  4. Step 4: Simplify right side
    376,660x = 112,531,146,257.41
  5. Step 5: Solve for x
    x = 112,531,146,257.41/376,660
  6. Step 6: Final answer
    x = 298,760.54

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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.