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Finding the Fourth Proportional to 358,880.14, 495,250.63 and 205,942.39

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Solution

The fourth proportional to 358,880.14, 495,250.63 and 205,942.39 is: 284,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,880.14 : 495,250.63 = 205,942.39 : x
  2. Step 2: Convert to fraction form
    358,880.14/495,250.63 = 205,942.39/x
  3. Step 3: Cross multiply
    358,880.14x = 495,250.63 × 205,942.39
  4. Step 4: Simplify right side
    358,880.14x = 101,993,098,391.21
  5. Step 5: Solve for x
    x = 101,993,098,391.21/358,880.14
  6. Step 6: Final answer
    x = 284,198.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.