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Finding the Fourth Proportional to 241,291.62, 361,940.22 and 72,813.41

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Solution

The fourth proportional to 241,291.62, 361,940.22 and 72,813.41 is: 109,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,291.62 : 361,940.22 = 72,813.41 : x
  2. Step 2: Convert to fraction form
    241,291.62/361,940.22 = 72,813.41/x
  3. Step 3: Cross multiply
    241,291.62x = 361,940.22 × 72,813.41
  4. Step 4: Simplify right side
    241,291.62x = 26,354,099,460.58
  5. Step 5: Solve for x
    x = 26,354,099,460.58/241,291.62
  6. Step 6: Final answer
    x = 109,220.95

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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.