Home / 225,401.24-311,057.53-123,425.07

Finding the Fourth Proportional to 225,401.24, 311,057.53 and 123,425.07

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Solution

The fourth proportional to 225,401.24, 311,057.53 and 123,425.07 is: 170,328.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,401.24 : 311,057.53 = 123,425.07 : x
  2. Step 2: Convert to fraction form
    225,401.24/311,057.53 = 123,425.07/x
  3. Step 3: Cross multiply
    225,401.24x = 311,057.53 × 123,425.07
  4. Step 4: Simplify right side
    225,401.24x = 38,392,297,414.28
  5. Step 5: Solve for x
    x = 38,392,297,414.28/225,401.24
  6. Step 6: Final answer
    x = 170,328.69

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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.