Home / 269,816.84-404,654.75-80,226.15

Finding the Fourth Proportional to 269,816.84, 404,654.75 and 80,226.15

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Solution

The fourth proportional to 269,816.84, 404,654.75 and 80,226.15 is: 120,318.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,816.84 : 404,654.75 = 80,226.15 : x
  2. Step 2: Convert to fraction form
    269,816.84/404,654.75 = 80,226.15/x
  3. Step 3: Cross multiply
    269,816.84x = 404,654.75 × 80,226.15
  4. Step 4: Simplify right side
    269,816.84x = 32,463,892,872.28
  5. Step 5: Solve for x
    x = 32,463,892,872.28/269,816.84
  6. Step 6: Final answer
    x = 120,318.26

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1.5x scale

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.