Home / 330,825.75-496,238.63-143,837.25

Finding the Fourth Proportional to 330,825.75, 496,238.63 and 143,837.25

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Solution

The fourth proportional to 330,825.75, 496,238.63 and 143,837.25 is: 215,755.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,825.75 : 496,238.63 = 143,837.25 : x
  2. Step 2: Convert to fraction form
    330,825.75/496,238.63 = 143,837.25/x
  3. Step 3: Cross multiply
    330,825.75x = 496,238.63 × 143,837.25
  4. Step 4: Simplify right side
    330,825.75x = 71,377,599,882.97
  5. Step 5: Solve for x
    x = 71,377,599,882.97/330,825.75
  6. Step 6: Final answer
    x = 215,755.88

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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.