Home / 397,760.93-548,912.70-216,474.12

Finding the Fourth Proportional to 397,760.93, 548,912.70 and 216,474.12

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Solution

The fourth proportional to 397,760.93, 548,912.70 and 216,474.12 is: 298,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,760.93 : 548,912.70 = 216,474.12 : x
  2. Step 2: Convert to fraction form
    397,760.93/548,912.70 = 216,474.12/x
  3. Step 3: Cross multiply
    397,760.93x = 548,912.70 × 216,474.12
  4. Step 4: Simplify right side
    397,760.93x = 118,825,393,689.32
  5. Step 5: Solve for x
    x = 118,825,393,689.32/397,760.93
  6. Step 6: Final answer
    x = 298,735.71

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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.