Home / 271,277.40-406,756.26-111,305.64

Finding the Fourth Proportional to 271,277.40, 406,756.26 and 111,305.64

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Solution

The fourth proportional to 271,277.40, 406,756.26 and 111,305.64 is: 166,892.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,277.40 : 406,756.26 = 111,305.64 : x
  2. Step 2: Convert to fraction form
    271,277.40/406,756.26 = 111,305.64/x
  3. Step 3: Cross multiply
    271,277.40x = 406,756.26 × 111,305.64
  4. Step 4: Simplify right side
    271,277.40x = 45,274,265,843.31
  5. Step 5: Solve for x
    x = 45,274,265,843.31/271,277.40
  6. Step 6: Final answer
    x = 166,892.88

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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.