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Finding the Fourth Proportional to 663,175.82, 994,762.48 and 207,801.92

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Solution

The fourth proportional to 663,175.82, 994,762.48 and 207,801.92 is: 311,702.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,175.82 : 994,762.48 = 207,801.92 : x
  2. Step 2: Convert to fraction form
    663,175.82/994,762.48 = 207,801.92/x
  3. Step 3: Cross multiply
    663,175.82x = 994,762.48 × 207,801.92
  4. Step 4: Simplify right side
    663,175.82x = 206,713,548,314.15
  5. Step 5: Solve for x
    x = 206,713,548,314.15/663,175.82
  6. Step 6: Final answer
    x = 311,702.48

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Similar ratio
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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.