Home / 397,380.53-548,399.55-227,647.46

Finding the Fourth Proportional to 397,380.53, 548,399.55 and 227,647.46

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Solution

The fourth proportional to 397,380.53, 548,399.55 and 227,647.46 is: 314,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,380.53 : 548,399.55 = 227,647.46 : x
  2. Step 2: Convert to fraction form
    397,380.53/548,399.55 = 227,647.46/x
  3. Step 3: Cross multiply
    397,380.53x = 548,399.55 × 227,647.46
  4. Step 4: Simplify right side
    397,380.53x = 124,841,764,622.64
  5. Step 5: Solve for x
    x = 124,841,764,622.64/397,380.53
  6. Step 6: Final answer
    x = 314,161.75

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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.