Home / 225,470.16-311,204.97-130,034.34

Finding the Fourth Proportional to 225,470.16, 311,204.97 and 130,034.34

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Solution

The fourth proportional to 225,470.16, 311,204.97 and 130,034.34 is: 179,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,470.16 : 311,204.97 = 130,034.34 : x
  2. Step 2: Convert to fraction form
    225,470.16/311,204.97 = 130,034.34/x
  3. Step 3: Cross multiply
    225,470.16x = 311,204.97 × 130,034.34
  4. Step 4: Simplify right side
    225,470.16x = 40,467,332,878.67
  5. Step 5: Solve for x
    x = 40,467,332,878.67/225,470.16
  6. Step 6: Final answer
    x = 179,479.77

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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.