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Finding the Fourth Proportional to 223,268.40, 334,310.22 and 134,399.88

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Solution

The fourth proportional to 223,268.40, 334,310.22 and 134,399.88 is: 201,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,268.40 : 334,310.22 = 134,399.88 : x
  2. Step 2: Convert to fraction form
    223,268.40/334,310.22 = 134,399.88/x
  3. Step 3: Cross multiply
    223,268.40x = 334,310.22 × 134,399.88
  4. Step 4: Simplify right side
    223,268.40x = 44,931,253,450.77
  5. Step 5: Solve for x
    x = 44,931,253,450.77/223,268.40
  6. Step 6: Final answer
    x = 201,243.23

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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.