Home / 330,824.25-496,236.38-143,835.75

Finding the Fourth Proportional to 330,824.25, 496,236.38 and 143,835.75

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Solution

The fourth proportional to 330,824.25, 496,236.38 and 143,835.75 is: 215,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,824.25 : 496,236.38 = 143,835.75 : x
  2. Step 2: Convert to fraction form
    330,824.25/496,236.38 = 143,835.75/x
  3. Step 3: Cross multiply
    330,824.25x = 496,236.38 × 143,835.75
  4. Step 4: Simplify right side
    330,824.25x = 71,376,531,175.41
  5. Step 5: Solve for x
    x = 71,376,531,175.41/330,824.25
  6. Step 6: Final answer
    x = 215,753.63

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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.