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Finding the Fourth Proportional to 298,107.52, 411,252.67 and 177,180.09

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Solution

The fourth proportional to 298,107.52, 411,252.67 and 177,180.09 is: 244,427.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,107.52 : 411,252.67 = 177,180.09 : x
  2. Step 2: Convert to fraction form
    298,107.52/411,252.67 = 177,180.09/x
  3. Step 3: Cross multiply
    298,107.52x = 411,252.67 × 177,180.09
  4. Step 4: Simplify right side
    298,107.52x = 72,865,785,083.34
  5. Step 5: Solve for x
    x = 72,865,785,083.34/298,107.52
  6. Step 6: Final answer
    x = 244,427.87

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1.5x scale

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.