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Finding the Fourth Proportional to 208,104.28, 312,202.50 and 114,561.88

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Solution

The fourth proportional to 208,104.28, 312,202.50 and 114,561.88 is: 171,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,104.28 : 312,202.50 = 114,561.88 : x
  2. Step 2: Convert to fraction form
    208,104.28/312,202.50 = 114,561.88/x
  3. Step 3: Cross multiply
    208,104.28x = 312,202.50 × 114,561.88
  4. Step 4: Simplify right side
    208,104.28x = 35,766,505,340.70
  5. Step 5: Solve for x
    x = 35,766,505,340.70/208,104.28
  6. Step 6: Final answer
    x = 171,868.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.