Home / 205,934.04-309,006.99-155,997.54

Finding the Fourth Proportional to 205,934.04, 309,006.99 and 155,997.54

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Solution

The fourth proportional to 205,934.04, 309,006.99 and 155,997.54 is: 234,076.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,934.04 : 309,006.99 = 155,997.54 : x
  2. Step 2: Convert to fraction form
    205,934.04/309,006.99 = 155,997.54/x
  3. Step 3: Cross multiply
    205,934.04x = 309,006.99 × 155,997.54
  4. Step 4: Simplify right side
    205,934.04x = 48,204,330,282.80
  5. Step 5: Solve for x
    x = 48,204,330,282.80/205,934.04
  6. Step 6: Final answer
    x = 234,076.55

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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.