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Finding the Fourth Proportional to 493,195.82, 680,610.22 and 266,841.32

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Solution

The fourth proportional to 493,195.82, 680,610.22 and 266,841.32 is: 368,241.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,195.82 : 680,610.22 = 266,841.32 : x
  2. Step 2: Convert to fraction form
    493,195.82/680,610.22 = 266,841.32/x
  3. Step 3: Cross multiply
    493,195.82x = 680,610.22 × 266,841.32
  4. Step 4: Simplify right side
    493,195.82x = 181,614,929,510.29
  5. Step 5: Solve for x
    x = 181,614,929,510.29/493,195.82
  6. Step 6: Final answer
    x = 368,241.02

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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.