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Finding the Fourth Proportional to 181,318.40, 271,718.40 and 133,560.80

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Solution

The fourth proportional to 181,318.40, 271,718.40 and 133,560.80 is: 200,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,318.40 : 271,718.40 = 133,560.80 : x
  2. Step 2: Convert to fraction form
    181,318.40/271,718.40 = 133,560.80/x
  3. Step 3: Cross multiply
    181,318.40x = 271,718.40 × 133,560.80
  4. Step 4: Simplify right side
    181,318.40x = 36,290,926,878.72
  5. Step 5: Solve for x
    x = 36,290,926,878.72/181,318.40
  6. Step 6: Final answer
    x = 200,150.27

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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.