Home / 240,194.84-360,336.06-80,255.61

Finding the Fourth Proportional to 240,194.84, 360,336.06 and 80,255.61

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Solution

The fourth proportional to 240,194.84, 360,336.06 and 80,255.61 is: 120,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,194.84 : 360,336.06 = 80,255.61 : x
  2. Step 2: Convert to fraction form
    240,194.84/360,336.06 = 80,255.61/x
  3. Step 3: Cross multiply
    240,194.84x = 360,336.06 × 80,255.61
  4. Step 4: Simplify right side
    240,194.84x = 28,918,990,300.30
  5. Step 5: Solve for x
    x = 28,918,990,300.30/240,194.84
  6. Step 6: Final answer
    x = 120,398.05

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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.