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Finding the Fourth Proportional to 495,509.80, 743,556.30 and 179,998.60

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Solution

The fourth proportional to 495,509.80, 743,556.30 and 179,998.60 is: 270,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,509.80 : 743,556.30 = 179,998.60 : x
  2. Step 2: Convert to fraction form
    495,509.80/743,556.30 = 179,998.60/x
  3. Step 3: Cross multiply
    495,509.80x = 743,556.30 × 179,998.60
  4. Step 4: Simplify right side
    495,509.80x = 133,839,093,021.18
  5. Step 5: Solve for x
    x = 133,839,093,021.18/495,509.80
  6. Step 6: Final answer
    x = 270,103.83

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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.