Home / 308,260.20-462,390.30-108,805.80

Finding the Fourth Proportional to 308,260.20, 462,390.30 and 108,805.80

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Solution

The fourth proportional to 308,260.20, 462,390.30 and 108,805.80 is: 163,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,260.20 : 462,390.30 = 108,805.80 : x
  2. Step 2: Convert to fraction form
    308,260.20/462,390.30 = 108,805.80/x
  3. Step 3: Cross multiply
    308,260.20x = 462,390.30 × 108,805.80
  4. Step 4: Simplify right side
    308,260.20x = 50,310,746,503.74
  5. Step 5: Solve for x
    x = 50,310,746,503.74/308,260.20
  6. Step 6: Final answer
    x = 163,208.70

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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.