Home / 204,045.18-306,067.38-54,285.63

Finding the Fourth Proportional to 204,045.18, 306,067.38 and 54,285.63

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Solution

The fourth proportional to 204,045.18, 306,067.38 and 54,285.63 is: 81,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,045.18 : 306,067.38 = 54,285.63 : x
  2. Step 2: Convert to fraction form
    204,045.18/306,067.38 = 54,285.63/x
  3. Step 3: Cross multiply
    204,045.18x = 306,067.38 × 54,285.63
  4. Step 4: Simplify right side
    204,045.18x = 16,615,059,194.43
  5. Step 5: Solve for x
    x = 16,615,059,194.43/204,045.18
  6. Step 6: Final answer
    x = 81,428.34

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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.