Home / 361,089.10-498,296.88-199,940.69

Finding the Fourth Proportional to 361,089.10, 498,296.88 and 199,940.69

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Solution

The fourth proportional to 361,089.10, 498,296.88 and 199,940.69 is: 275,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,089.10 : 498,296.88 = 199,940.69 : x
  2. Step 2: Convert to fraction form
    361,089.10/498,296.88 = 199,940.69/x
  3. Step 3: Cross multiply
    361,089.10x = 498,296.88 × 199,940.69
  4. Step 4: Simplify right side
    361,089.10x = 99,629,822,012.05
  5. Step 5: Solve for x
    x = 99,629,822,012.05/361,089.10
  6. Step 6: Final answer
    x = 275,914.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.