Home / 240,823.48-361,236.09-80,894.86

Finding the Fourth Proportional to 240,823.48, 361,236.09 and 80,894.86

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Solution

The fourth proportional to 240,823.48, 361,236.09 and 80,894.86 is: 121,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,823.48 : 361,236.09 = 80,894.86 : x
  2. Step 2: Convert to fraction form
    240,823.48/361,236.09 = 80,894.86/x
  3. Step 3: Cross multiply
    240,823.48x = 361,236.09 × 80,894.86
  4. Step 4: Simplify right side
    240,823.48x = 29,222,142,927.50
  5. Step 5: Solve for x
    x = 29,222,142,927.50/240,823.48
  6. Step 6: Final answer
    x = 121,342.58

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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.