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Finding the Fourth Proportional to 518,744.62, 777,896.61 and 203,151.34

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Solution

The fourth proportional to 518,744.62, 777,896.61 and 203,151.34 is: 304,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,744.62 : 777,896.61 = 203,151.34 : x
  2. Step 2: Convert to fraction form
    518,744.62/777,896.61 = 203,151.34/x
  3. Step 3: Cross multiply
    518,744.62x = 777,896.61 × 203,151.34
  4. Step 4: Simplify right side
    518,744.62x = 158,030,738,702.96
  5. Step 5: Solve for x
    x = 158,030,738,702.96/518,744.62
  6. Step 6: Final answer
    x = 304,640.73

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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.