Home / 225,477.37-311,162.16-123,512.23

Finding the Fourth Proportional to 225,477.37, 311,162.16 and 123,512.23

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Solution

The fourth proportional to 225,477.37, 311,162.16 and 123,512.23 is: 170,448.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,477.37 : 311,162.16 = 123,512.23 : x
  2. Step 2: Convert to fraction form
    225,477.37/311,162.16 = 123,512.23/x
  3. Step 3: Cross multiply
    225,477.37x = 311,162.16 × 123,512.23
  4. Step 4: Simplify right side
    225,477.37x = 38,432,332,273.22
  5. Step 5: Solve for x
    x = 38,432,332,273.22/225,477.37
  6. Step 6: Final answer
    x = 170,448.73

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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.