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Finding the Fourth Proportional to 303,740.97, 455,605.29 and 79,096.43

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Solution

The fourth proportional to 303,740.97, 455,605.29 and 79,096.43 is: 118,643.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,740.97 : 455,605.29 = 79,096.43 : x
  2. Step 2: Convert to fraction form
    303,740.97/455,605.29 = 79,096.43/x
  3. Step 3: Cross multiply
    303,740.97x = 455,605.29 × 79,096.43
  4. Step 4: Simplify right side
    303,740.97x = 36,036,753,067.13
  5. Step 5: Solve for x
    x = 36,036,753,067.13/303,740.97
  6. Step 6: Final answer
    x = 118,643.04

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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.