Home / 321,083.25-443,392.73-240,370.63

Finding the Fourth Proportional to 321,083.25, 443,392.73 and 240,370.63

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Solution

The fourth proportional to 321,083.25, 443,392.73 and 240,370.63 is: 331,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,083.25 : 443,392.73 = 240,370.63 : x
  2. Step 2: Convert to fraction form
    321,083.25/443,392.73 = 240,370.63/x
  3. Step 3: Cross multiply
    321,083.25x = 443,392.73 × 240,370.63
  4. Step 4: Simplify right side
    321,083.25x = 106,578,589,847.52
  5. Step 5: Solve for x
    x = 106,578,589,847.52/321,083.25
  6. Step 6: Final answer
    x = 331,934.44

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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.