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Finding the Fourth Proportional to 241,563.70, 362,236.20 and 91,754.20

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Solution

The fourth proportional to 241,563.70, 362,236.20 and 91,754.20 is: 137,589.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,563.70 : 362,236.20 = 91,754.20 : x
  2. Step 2: Convert to fraction form
    241,563.70/362,236.20 = 91,754.20/x
  3. Step 3: Cross multiply
    241,563.70x = 362,236.20 × 91,754.20
  4. Step 4: Simplify right side
    241,563.70x = 33,236,692,742.04
  5. Step 5: Solve for x
    x = 33,236,692,742.04/241,563.70
  6. Step 6: Final answer
    x = 137,589.77

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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.