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Finding the Fourth Proportional to 200,179.58, 300,268.15 and 80,290.67

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Solution

The fourth proportional to 200,179.58, 300,268.15 and 80,290.67 is: 120,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,179.58 : 300,268.15 = 80,290.67 : x
  2. Step 2: Convert to fraction form
    200,179.58/300,268.15 = 80,290.67/x
  3. Step 3: Cross multiply
    200,179.58x = 300,268.15 × 80,290.67
  4. Step 4: Simplify right side
    200,179.58x = 24,108,729,241.09
  5. Step 5: Solve for x
    x = 24,108,729,241.09/200,179.58
  6. Step 6: Final answer
    x = 120,435.51

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1.5x scale

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.