Home / 397,744.05-548,899.24-225,669.27

Finding the Fourth Proportional to 397,744.05, 548,899.24 and 225,669.27

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Solution

The fourth proportional to 397,744.05, 548,899.24 and 225,669.27 is: 311,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,744.05 : 548,899.24 = 225,669.27 : x
  2. Step 2: Convert to fraction form
    397,744.05/548,899.24 = 225,669.27/x
  3. Step 3: Cross multiply
    397,744.05x = 548,899.24 × 225,669.27
  4. Step 4: Simplify right side
    397,744.05x = 123,869,688,049.86
  5. Step 5: Solve for x
    x = 123,869,688,049.86/397,744.05
  6. Step 6: Final answer
    x = 311,430.65

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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.