Home / 225,556.74-311,268.15-123,588.81

Finding the Fourth Proportional to 225,556.74, 311,268.15 and 123,588.81

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Solution

The fourth proportional to 225,556.74, 311,268.15 and 123,588.81 is: 170,552.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,556.74 : 311,268.15 = 123,588.81 : x
  2. Step 2: Convert to fraction form
    225,556.74/311,268.15 = 123,588.81/x
  3. Step 3: Cross multiply
    225,556.74x = 311,268.15 × 123,588.81
  4. Step 4: Simplify right side
    225,556.74x = 38,469,260,249.40
  5. Step 5: Solve for x
    x = 38,469,260,249.40/225,556.74
  6. Step 6: Final answer
    x = 170,552.47

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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.