Home / 396,669.30-595,079.37-130,506.54

Finding the Fourth Proportional to 396,669.30, 595,079.37 and 130,506.54

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Solution

The fourth proportional to 396,669.30, 595,079.37 and 130,506.54 is: 195,784.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,669.30 : 595,079.37 = 130,506.54 : x
  2. Step 2: Convert to fraction form
    396,669.30/595,079.37 = 130,506.54/x
  3. Step 3: Cross multiply
    396,669.30x = 595,079.37 × 130,506.54
  4. Step 4: Simplify right side
    396,669.30x = 77,661,749,604.08
  5. Step 5: Solve for x
    x = 77,661,749,604.08/396,669.30
  6. Step 6: Final answer
    x = 195,784.62

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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.