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Finding the Fourth Proportional to 203,800.29, 305,685.72 and 63,555.27

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Solution

The fourth proportional to 203,800.29, 305,685.72 and 63,555.27 is: 95,328.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,800.29 : 305,685.72 = 63,555.27 : x
  2. Step 2: Convert to fraction form
    203,800.29/305,685.72 = 63,555.27/x
  3. Step 3: Cross multiply
    203,800.29x = 305,685.72 × 63,555.27
  4. Step 4: Simplify right side
    203,800.29x = 19,427,938,469.74
  5. Step 5: Solve for x
    x = 19,427,938,469.74/203,800.29
  6. Step 6: Final answer
    x = 95,328.32

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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.