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Finding the Fourth Proportional to 271,182.74, 406,621.62 and 111,214.62

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Solution

The fourth proportional to 271,182.74, 406,621.62 and 111,214.62 is: 166,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,182.74 : 406,621.62 = 111,214.62 : x
  2. Step 2: Convert to fraction form
    271,182.74/406,621.62 = 111,214.62/x
  3. Step 3: Cross multiply
    271,182.74x = 406,621.62 × 111,214.62
  4. Step 4: Simplify right side
    271,182.74x = 45,222,268,952.08
  5. Step 5: Solve for x
    x = 45,222,268,952.08/271,182.74
  6. Step 6: Final answer
    x = 166,759.40

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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.