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Finding the Fourth Proportional to 360,962.26, 498,121.89 and 199,813.90

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Solution

The fourth proportional to 360,962.26, 498,121.89 and 199,813.90 is: 275,739.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,962.26 : 498,121.89 = 199,813.90 : x
  2. Step 2: Convert to fraction form
    360,962.26/498,121.89 = 199,813.90/x
  3. Step 3: Cross multiply
    360,962.26x = 498,121.89 × 199,813.90
  4. Step 4: Simplify right side
    360,962.26x = 99,531,677,516.27
  5. Step 5: Solve for x
    x = 99,531,677,516.27/360,962.26
  6. Step 6: Final answer
    x = 275,739.84

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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.