Home / 225,651.41-311,540.75-145,219.02

Finding the Fourth Proportional to 225,651.41, 311,540.75 and 145,219.02

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Solution

The fourth proportional to 225,651.41, 311,540.75 and 145,219.02 is: 200,493.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,651.41 : 311,540.75 = 145,219.02 : x
  2. Step 2: Convert to fraction form
    225,651.41/311,540.75 = 145,219.02/x
  3. Step 3: Cross multiply
    225,651.41x = 311,540.75 × 145,219.02
  4. Step 4: Simplify right side
    225,651.41x = 45,241,642,405.07
  5. Step 5: Solve for x
    x = 45,241,642,405.07/225,651.41
  6. Step 6: Final answer
    x = 200,493.51

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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.