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Finding the Fourth Proportional to 397,308.75, 548,286.08 and 227,553.81

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Solution

The fourth proportional to 397,308.75, 548,286.08 and 227,553.81 is: 314,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,308.75 : 548,286.08 = 227,553.81 : x
  2. Step 2: Convert to fraction form
    397,308.75/548,286.08 = 227,553.81/x
  3. Step 3: Cross multiply
    397,308.75x = 548,286.08 × 227,553.81
  4. Step 4: Simplify right side
    397,308.75x = 124,764,585,336.20
  5. Step 5: Solve for x
    x = 124,764,585,336.20/397,308.75
  6. Step 6: Final answer
    x = 314,024.26

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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.