Home / 397,306.57-548,265.24-225,222.07

Finding the Fourth Proportional to 397,306.57, 548,265.24 and 225,222.07

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Solution

The fourth proportional to 397,306.57, 548,265.24 and 225,222.07 is: 310,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,306.57 : 548,265.24 = 225,222.07 : x
  2. Step 2: Convert to fraction form
    397,306.57/548,265.24 = 225,222.07/x
  3. Step 3: Cross multiply
    397,306.57x = 548,265.24 × 225,222.07
  4. Step 4: Simplify right side
    397,306.57x = 123,481,432,261.85
  5. Step 5: Solve for x
    x = 123,481,432,261.85/397,306.57
  6. Step 6: Final answer
    x = 310,796.35

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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.