Home / 218,418.53-327,666.26-90,334.44

Finding the Fourth Proportional to 218,418.53, 327,666.26 and 90,334.44

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Solution

The fourth proportional to 218,418.53, 327,666.26 and 90,334.44 is: 135,517.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,418.53 : 327,666.26 = 90,334.44 : x
  2. Step 2: Convert to fraction form
    218,418.53/327,666.26 = 90,334.44/x
  3. Step 3: Cross multiply
    218,418.53x = 327,666.26 × 90,334.44
  4. Step 4: Simplify right side
    218,418.53x = 29,599,548,329.83
  5. Step 5: Solve for x
    x = 29,599,548,329.83/218,418.53
  6. Step 6: Final answer
    x = 135,517.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.