Home / 397,023.98-595,201.03-172,215.16

Finding the Fourth Proportional to 397,023.98, 595,201.03 and 172,215.16

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Solution

The fourth proportional to 397,023.98, 595,201.03 and 172,215.16 is: 258,177.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,023.98 : 595,201.03 = 172,215.16 : x
  2. Step 2: Convert to fraction form
    397,023.98/595,201.03 = 172,215.16/x
  3. Step 3: Cross multiply
    397,023.98x = 595,201.03 × 172,215.16
  4. Step 4: Simplify right side
    397,023.98x = 102,502,640,613.62
  5. Step 5: Solve for x
    x = 102,502,640,613.62/397,023.98
  6. Step 6: Final answer
    x = 258,177.45

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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.