Home / 397,441.36-548,466.48-225,391.84

Finding the Fourth Proportional to 397,441.36, 548,466.48 and 225,391.84

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Solution

The fourth proportional to 397,441.36, 548,466.48 and 225,391.84 is: 311,039.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,441.36 : 548,466.48 = 225,391.84 : x
  2. Step 2: Convert to fraction form
    397,441.36/548,466.48 = 225,391.84/x
  3. Step 3: Cross multiply
    397,441.36x = 548,466.48 × 225,391.84
  4. Step 4: Simplify right side
    397,441.36x = 123,619,869,105.52
  5. Step 5: Solve for x
    x = 123,619,869,105.52/397,441.36
  6. Step 6: Final answer
    x = 311,039.27

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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.