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Finding the Fourth Proportional to 358,895.49, 495,270.47 and 205,930.33

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Solution

The fourth proportional to 358,895.49, 495,270.47 and 205,930.33 is: 284,180.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,895.49 : 495,270.47 = 205,930.33 : x
  2. Step 2: Convert to fraction form
    358,895.49/495,270.47 = 205,930.33/x
  3. Step 3: Cross multiply
    358,895.49x = 495,270.47 × 205,930.33
  4. Step 4: Simplify right side
    358,895.49x = 101,991,211,326.36
  5. Step 5: Solve for x
    x = 101,991,211,326.36/358,895.49
  6. Step 6: Final answer
    x = 284,180.81

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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.