Home / 396,974.93-595,461.47-172,306.23

Finding the Fourth Proportional to 396,974.93, 595,461.47 and 172,306.23

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Solution

The fourth proportional to 396,974.93, 595,461.47 and 172,306.23 is: 258,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,974.93 : 595,461.47 = 172,306.23 : x
  2. Step 2: Convert to fraction form
    396,974.93/595,461.47 = 172,306.23/x
  3. Step 3: Cross multiply
    396,974.93x = 595,461.47 × 172,306.23
  4. Step 4: Simplify right side
    396,974.93x = 102,601,720,144.43
  5. Step 5: Solve for x
    x = 102,601,720,144.43/396,974.93
  6. Step 6: Final answer
    x = 258,458.94

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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.