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Finding the Fourth Proportional to 181,288.40, 271,673.40 and 133,530.80

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Solution

The fourth proportional to 181,288.40, 271,673.40 and 133,530.80 is: 200,105.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,288.40 : 271,673.40 = 133,530.80 : x
  2. Step 2: Convert to fraction form
    181,288.40/271,673.40 = 133,530.80/x
  3. Step 3: Cross multiply
    181,288.40x = 271,673.40 × 133,530.80
  4. Step 4: Simplify right side
    181,288.40x = 36,276,766,440.72
  5. Step 5: Solve for x
    x = 36,276,766,440.72/181,288.40
  6. Step 6: Final answer
    x = 200,105.28

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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.