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Finding the Fourth Proportional to 356,992.71, 534,760.06 and 199,305.15

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Solution

The fourth proportional to 356,992.71, 534,760.06 and 199,305.15 is: 298,550.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,992.71 : 534,760.06 = 199,305.15 : x
  2. Step 2: Convert to fraction form
    356,992.71/534,760.06 = 199,305.15/x
  3. Step 3: Cross multiply
    356,992.71x = 534,760.06 × 199,305.15
  4. Step 4: Simplify right side
    356,992.71x = 106,580,433,972.31
  5. Step 5: Solve for x
    x = 106,580,433,972.31/356,992.71
  6. Step 6: Final answer
    x = 298,550.73

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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.