Home / 209,069.21-288,517.97-113,577.41

Finding the Fourth Proportional to 209,069.21, 288,517.97 and 113,577.41

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Solution

The fourth proportional to 209,069.21, 288,517.97 and 113,577.41 is: 156,738.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,069.21 : 288,517.97 = 113,577.41 : x
  2. Step 2: Convert to fraction form
    209,069.21/288,517.97 = 113,577.41/x
  3. Step 3: Cross multiply
    209,069.21x = 288,517.97 × 113,577.41
  4. Step 4: Simplify right side
    209,069.21x = 32,769,123,771.06
  5. Step 5: Solve for x
    x = 32,769,123,771.06/209,069.21
  6. Step 6: Final answer
    x = 156,738.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.