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Finding the Fourth Proportional to 240,822.48, 361,234.59 and 80,893.86

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Solution

The fourth proportional to 240,822.48, 361,234.59 and 80,893.86 is: 121,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,822.48 : 361,234.59 = 80,893.86 : x
  2. Step 2: Convert to fraction form
    240,822.48/361,234.59 = 80,893.86/x
  3. Step 3: Cross multiply
    240,822.48x = 361,234.59 × 80,893.86
  4. Step 4: Simplify right side
    240,822.48x = 29,221,658,692.64
  5. Step 5: Solve for x
    x = 29,221,658,692.64/240,822.48
  6. Step 6: Final answer
    x = 121,341.07

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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.