Home / 397,369.73-548,353.53-225,299.27

Finding the Fourth Proportional to 397,369.73, 548,353.53 and 225,299.27

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Solution

The fourth proportional to 397,369.73, 548,353.53 and 225,299.27 is: 310,903.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,369.73 : 548,353.53 = 225,299.27 : x
  2. Step 2: Convert to fraction form
    397,369.73/548,353.53 = 225,299.27/x
  3. Step 3: Cross multiply
    397,369.73x = 548,353.53 × 225,299.27
  4. Step 4: Simplify right side
    397,369.73x = 123,543,652,226.68
  5. Step 5: Solve for x
    x = 123,543,652,226.68/397,369.73
  6. Step 6: Final answer
    x = 310,903.53

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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.