Home / 217,475.53-326,242.94-126,333.75

Finding the Fourth Proportional to 217,475.53, 326,242.94 and 126,333.75

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Solution

The fourth proportional to 217,475.53, 326,242.94 and 126,333.75 is: 189,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,475.53 : 326,242.94 = 126,333.75 : x
  2. Step 2: Convert to fraction form
    217,475.53/326,242.94 = 126,333.75/x
  3. Step 3: Cross multiply
    217,475.53x = 326,242.94 × 126,333.75
  4. Step 4: Simplify right side
    217,475.53x = 41,215,494,021.23
  5. Step 5: Solve for x
    x = 41,215,494,021.23/217,475.53
  6. Step 6: Final answer
    x = 189,517.85

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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.