Home / 397,334.25-548,303.40-225,249.75

Finding the Fourth Proportional to 397,334.25, 548,303.40 and 225,249.75

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Solution

The fourth proportional to 397,334.25, 548,303.40 and 225,249.75 is: 310,834.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,334.25 : 548,303.40 = 225,249.75 : x
  2. Step 2: Convert to fraction form
    397,334.25/548,303.40 = 225,249.75/x
  3. Step 3: Cross multiply
    397,334.25x = 548,303.40 × 225,249.75
  4. Step 4: Simplify right side
    397,334.25x = 123,505,203,774.15
  5. Step 5: Solve for x
    x = 123,505,203,774.15/397,334.25
  6. Step 6: Final answer
    x = 310,834.53

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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.