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Finding the Fourth Proportional to 454,366.31, 681,556.52 and 134,550.53

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Solution

The fourth proportional to 454,366.31, 681,556.52 and 134,550.53 is: 201,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,366.31 : 681,556.52 = 134,550.53 : x
  2. Step 2: Convert to fraction form
    454,366.31/681,556.52 = 134,550.53/x
  3. Step 3: Cross multiply
    454,366.31x = 681,556.52 × 134,550.53
  4. Step 4: Simplify right side
    454,366.31x = 91,703,787,919.55
  5. Step 5: Solve for x
    x = 91,703,787,919.55/454,366.31
  6. Step 6: Final answer
    x = 201,827.88

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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.