Home / 303,982.20-455,282.10-192,007.80

Finding the Fourth Proportional to 303,982.20, 455,282.10 and 192,007.80

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Solution

The fourth proportional to 303,982.20, 455,282.10 and 192,007.80 is: 287,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,982.20 : 455,282.10 = 192,007.80 : x
  2. Step 2: Convert to fraction form
    303,982.20/455,282.10 = 192,007.80/x
  3. Step 3: Cross multiply
    303,982.20x = 455,282.10 × 192,007.80
  4. Step 4: Simplify right side
    303,982.20x = 87,417,714,400.38
  5. Step 5: Solve for x
    x = 87,417,714,400.38/303,982.20
  6. Step 6: Final answer
    x = 287,575.11

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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.