Home / 330,825.25-496,237.88-143,836.75

Finding the Fourth Proportional to 330,825.25, 496,237.88 and 143,836.75

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Solution

The fourth proportional to 330,825.25, 496,237.88 and 143,836.75 is: 215,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,825.25 : 496,237.88 = 143,836.75 : x
  2. Step 2: Convert to fraction form
    330,825.25/496,237.88 = 143,836.75/x
  3. Step 3: Cross multiply
    330,825.25x = 496,237.88 × 143,836.75
  4. Step 4: Simplify right side
    330,825.25x = 71,377,243,886.09
  5. Step 5: Solve for x
    x = 71,377,243,886.09/330,825.25
  6. Step 6: Final answer
    x = 215,755.13

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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.