Home / 209,040.56-288,476.52-113,546.48

Finding the Fourth Proportional to 209,040.56, 288,476.52 and 113,546.48

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Solution

The fourth proportional to 209,040.56, 288,476.52 and 113,546.48 is: 156,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,040.56 : 288,476.52 = 113,546.48 : x
  2. Step 2: Convert to fraction form
    209,040.56/288,476.52 = 113,546.48/x
  3. Step 3: Cross multiply
    209,040.56x = 288,476.52 × 113,546.48
  4. Step 4: Simplify right side
    209,040.56x = 32,755,493,408.65
  5. Step 5: Solve for x
    x = 32,755,493,408.65/209,040.56
  6. Step 6: Final answer
    x = 156,694.44

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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.