Home / 205,935.04-309,008.49-155,998.54

Finding the Fourth Proportional to 205,935.04, 309,008.49 and 155,998.54

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Solution

The fourth proportional to 205,935.04, 309,008.49 and 155,998.54 is: 234,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,935.04 : 309,008.49 = 155,998.54 : x
  2. Step 2: Convert to fraction form
    205,935.04/309,008.49 = 155,998.54/x
  3. Step 3: Cross multiply
    205,935.04x = 309,008.49 × 155,998.54
  4. Step 4: Simplify right side
    205,935.04x = 48,204,873,287.60
  5. Step 5: Solve for x
    x = 48,204,873,287.60/205,935.04
  6. Step 6: Final answer
    x = 234,078.05

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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.