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Finding the Fourth Proportional to 326,976.60, 490,205.70 and 179,232.60

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Solution

The fourth proportional to 326,976.60, 490,205.70 and 179,232.60 is: 268,706.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,976.60 : 490,205.70 = 179,232.60 : x
  2. Step 2: Convert to fraction form
    326,976.60/490,205.70 = 179,232.60/x
  3. Step 3: Cross multiply
    326,976.60x = 490,205.70 × 179,232.60
  4. Step 4: Simplify right side
    326,976.60x = 87,860,842,145.82
  5. Step 5: Solve for x
    x = 87,860,842,145.82/326,976.60
  6. Step 6: Final answer
    x = 268,706.82

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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.