Home / 397,380.31-548,399.25-227,647.24

Finding the Fourth Proportional to 397,380.31, 548,399.25 and 227,647.24

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Solution

The fourth proportional to 397,380.31, 548,399.25 and 227,647.24 is: 314,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,380.31 : 548,399.25 = 227,647.24 : x
  2. Step 2: Convert to fraction form
    397,380.31/548,399.25 = 227,647.24/x
  3. Step 3: Cross multiply
    397,380.31x = 548,399.25 × 227,647.24
  4. Step 4: Simplify right side
    397,380.31x = 124,841,575,680.57
  5. Step 5: Solve for x
    x = 124,841,575,680.57/397,380.31
  6. Step 6: Final answer
    x = 314,161.45

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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.