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Finding the Fourth Proportional to 202,180.60, 303,489.60 and 127,385.20

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Solution

The fourth proportional to 202,180.60, 303,489.60 and 127,385.20 is: 191,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,180.60 : 303,489.60 = 127,385.20 : x
  2. Step 2: Convert to fraction form
    202,180.60/303,489.60 = 127,385.20/x
  3. Step 3: Cross multiply
    202,180.60x = 303,489.60 × 127,385.20
  4. Step 4: Simplify right side
    202,180.60x = 38,660,083,393.92
  5. Step 5: Solve for x
    x = 38,660,083,393.92/202,180.60
  6. Step 6: Final answer
    x = 191,215.59

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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.