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Finding the Fourth Proportional to 655,238.87, 982,857.62 and 205,999.00

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Solution

The fourth proportional to 655,238.87, 982,857.62 and 205,999.00 is: 308,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,238.87 : 982,857.62 = 205,999.00 : x
  2. Step 2: Convert to fraction form
    655,238.87/982,857.62 = 205,999.00/x
  3. Step 3: Cross multiply
    655,238.87x = 982,857.62 × 205,999.00
  4. Step 4: Simplify right side
    655,238.87x = 202,467,684,340.86
  5. Step 5: Solve for x
    x = 202,467,684,340.86/655,238.87
  6. Step 6: Final answer
    x = 308,998.28

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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.