Home / 220,453.22-304,249.17-124,949.66

Finding the Fourth Proportional to 220,453.22, 304,249.17 and 124,949.66

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Solution

The fourth proportional to 220,453.22, 304,249.17 and 124,949.66 is: 172,443.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,453.22 : 304,249.17 = 124,949.66 : x
  2. Step 2: Convert to fraction form
    220,453.22/304,249.17 = 124,949.66/x
  3. Step 3: Cross multiply
    220,453.22x = 304,249.17 × 124,949.66
  4. Step 4: Simplify right side
    220,453.22x = 38,015,830,346.78
  5. Step 5: Solve for x
    x = 38,015,830,346.78/220,453.22
  6. Step 6: Final answer
    x = 172,443.98

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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.