Home / 240,538.25-331,920.23-143,722.82

Finding the Fourth Proportional to 240,538.25, 331,920.23 and 143,722.82

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Solution

The fourth proportional to 240,538.25, 331,920.23 and 143,722.82 is: 198,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,538.25 : 331,920.23 = 143,722.82 : x
  2. Step 2: Convert to fraction form
    240,538.25/331,920.23 = 143,722.82/x
  3. Step 3: Cross multiply
    240,538.25x = 331,920.23 × 143,722.82
  4. Step 4: Simplify right side
    240,538.25x = 47,704,511,581.84
  5. Step 5: Solve for x
    x = 47,704,511,581.84/240,538.25
  6. Step 6: Final answer
    x = 198,324.01

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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.