Home / 240,821.75-361,233.47-80,893.11

Finding the Fourth Proportional to 240,821.75, 361,233.47 and 80,893.11

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Solution

The fourth proportional to 240,821.75, 361,233.47 and 80,893.11 is: 121,339.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,821.75 : 361,233.47 = 80,893.11 : x
  2. Step 2: Convert to fraction form
    240,821.75/361,233.47 = 80,893.11/x
  3. Step 3: Cross multiply
    240,821.75x = 361,233.47 × 80,893.11
  4. Step 4: Simplify right side
    240,821.75x = 29,221,298,824.39
  5. Step 5: Solve for x
    x = 29,221,298,824.39/240,821.75
  6. Step 6: Final answer
    x = 121,339.95

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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.