Home / 397,019.48-595,194.28-172,210.66

Finding the Fourth Proportional to 397,019.48, 595,194.28 and 172,210.66

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Solution

The fourth proportional to 397,019.48, 595,194.28 and 172,210.66 is: 258,170.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,019.48 : 595,194.28 = 172,210.66 : x
  2. Step 2: Convert to fraction form
    397,019.48/595,194.28 = 172,210.66/x
  3. Step 3: Cross multiply
    397,019.48x = 595,194.28 × 172,210.66
  4. Step 4: Simplify right side
    397,019.48x = 102,498,797,868.51
  5. Step 5: Solve for x
    x = 102,498,797,868.51/397,019.48
  6. Step 6: Final answer
    x = 258,170.71

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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.