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Finding the Fourth Proportional to 60,799.64, 91,198.66 and 19,246.64

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Solution

The fourth proportional to 60,799.64, 91,198.66 and 19,246.64 is: 28,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,799.64 : 91,198.66 = 19,246.64 : x
  2. Step 2: Convert to fraction form
    60,799.64/91,198.66 = 19,246.64/x
  3. Step 3: Cross multiply
    60,799.64x = 91,198.66 × 19,246.64
  4. Step 4: Simplify right side
    60,799.64x = 1,755,267,777.50
  5. Step 5: Solve for x
    x = 1,755,267,777.50/60,799.64
  6. Step 6: Final answer
    x = 28,869.71

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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.