Home / 225,965.69-338,944.27-55,190.15

Finding the Fourth Proportional to 225,965.69, 338,944.27 and 55,190.15

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Solution

The fourth proportional to 225,965.69, 338,944.27 and 55,190.15 is: 82,784.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,965.69 : 338,944.27 = 55,190.15 : x
  2. Step 2: Convert to fraction form
    225,965.69/338,944.27 = 55,190.15/x
  3. Step 3: Cross multiply
    225,965.69x = 338,944.27 × 55,190.15
  4. Step 4: Simplify right side
    225,965.69x = 18,706,385,102.94
  5. Step 5: Solve for x
    x = 18,706,385,102.94/225,965.69
  6. Step 6: Final answer
    x = 82,784.18

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1.5x scale

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.