Home / 396,735.46-595,190.66-130,485.22

Finding the Fourth Proportional to 396,735.46, 595,190.66 and 130,485.22

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Solution

The fourth proportional to 396,735.46, 595,190.66 and 130,485.22 is: 195,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,735.46 : 595,190.66 = 130,485.22 : x
  2. Step 2: Convert to fraction form
    396,735.46/595,190.66 = 130,485.22/x
  3. Step 3: Cross multiply
    396,735.46x = 595,190.66 × 130,485.22
  4. Step 4: Simplify right side
    396,735.46x = 77,663,584,212.05
  5. Step 5: Solve for x
    x = 77,663,584,212.05/396,735.46
  6. Step 6: Final answer
    x = 195,756.60

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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.