Home / 217,741.67-326,704.69-105,505.44

Finding the Fourth Proportional to 217,741.67, 326,704.69 and 105,505.44

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Solution

The fourth proportional to 217,741.67, 326,704.69 and 105,505.44 is: 158,302.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.67 : 326,704.69 = 105,505.44 : x
  2. Step 2: Convert to fraction form
    217,741.67/326,704.69 = 105,505.44/x
  3. Step 3: Cross multiply
    217,741.67x = 326,704.69 × 105,505.44
  4. Step 4: Simplify right side
    217,741.67x = 34,469,120,975.25
  5. Step 5: Solve for x
    x = 34,469,120,975.25/217,741.67
  6. Step 6: Final answer
    x = 158,302.82

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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.