Home / 272,727.73-408,901.40-120,842.20

Finding the Fourth Proportional to 272,727.73, 408,901.40 and 120,842.20

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Solution

The fourth proportional to 272,727.73, 408,901.40 and 120,842.20 is: 181,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,727.73 : 408,901.40 = 120,842.20 : x
  2. Step 2: Convert to fraction form
    272,727.73/408,901.40 = 120,842.20/x
  3. Step 3: Cross multiply
    272,727.73x = 408,901.40 × 120,842.20
  4. Step 4: Simplify right side
    272,727.73x = 49,412,545,119.15
  5. Step 5: Solve for x
    x = 49,412,545,119.15/272,727.73
  6. Step 6: Final answer
    x = 181,179.03

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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.