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Finding the Fourth Proportional to 204,467.83, 306,678.29 and 54,719.79

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Solution

The fourth proportional to 204,467.83, 306,678.29 and 54,719.79 is: 82,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,467.83 : 306,678.29 = 54,719.79 : x
  2. Step 2: Convert to fraction form
    204,467.83/306,678.29 = 54,719.79/x
  3. Step 3: Cross multiply
    204,467.83x = 306,678.29 × 54,719.79
  4. Step 4: Simplify right side
    204,467.83x = 16,781,370,202.72
  5. Step 5: Solve for x
    x = 16,781,370,202.72/204,467.83
  6. Step 6: Final answer
    x = 82,073.40

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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.