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Finding the Fourth Proportional to 360,836.60, 540,218.10 and 323,511.80

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Solution

The fourth proportional to 360,836.60, 540,218.10 and 323,511.80 is: 484,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,836.60 : 540,218.10 = 323,511.80 : x
  2. Step 2: Convert to fraction form
    360,836.60/540,218.10 = 323,511.80/x
  3. Step 3: Cross multiply
    360,836.60x = 540,218.10 × 323,511.80
  4. Step 4: Simplify right side
    360,836.60x = 174,766,929,923.58
  5. Step 5: Solve for x
    x = 174,766,929,923.58/360,836.60
  6. Step 6: Final answer
    x = 484,338.15

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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.