Home / 397,629.44-548,743.80-227,896.40

Finding the Fourth Proportional to 397,629.44, 548,743.80 and 227,896.40

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Solution

The fourth proportional to 397,629.44, 548,743.80 and 227,896.40 is: 314,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,629.44 : 548,743.80 = 227,896.40 : x
  2. Step 2: Convert to fraction form
    397,629.44/548,743.80 = 227,896.40/x
  3. Step 3: Cross multiply
    397,629.44x = 548,743.80 × 227,896.40
  4. Step 4: Simplify right side
    397,629.44x = 125,056,736,542.32
  5. Step 5: Solve for x
    x = 125,056,736,542.32/397,629.44
  6. Step 6: Final answer
    x = 314,505.73

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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.