Home / 397,422.03-548,249.68-236,162.98

Finding the Fourth Proportional to 397,422.03, 548,249.68 and 236,162.98

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Solution

The fourth proportional to 397,422.03, 548,249.68 and 236,162.98 is: 325,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,422.03 : 548,249.68 = 236,162.98 : x
  2. Step 2: Convert to fraction form
    397,422.03/548,249.68 = 236,162.98/x
  3. Step 3: Cross multiply
    397,422.03x = 548,249.68 × 236,162.98
  4. Step 4: Simplify right side
    397,422.03x = 129,476,278,212.85
  5. Step 5: Solve for x
    x = 129,476,278,212.85/397,422.03
  6. Step 6: Final answer
    x = 325,790.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.