Home / 215,131.84-322,579.68-165,087.04

Finding the Fourth Proportional to 215,131.84, 322,579.68 and 165,087.04

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Solution

The fourth proportional to 215,131.84, 322,579.68 and 165,087.04 is: 247,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,131.84 : 322,579.68 = 165,087.04 : x
  2. Step 2: Convert to fraction form
    215,131.84/322,579.68 = 165,087.04/x
  3. Step 3: Cross multiply
    215,131.84x = 322,579.68 × 165,087.04
  4. Step 4: Simplify right side
    215,131.84x = 53,253,724,535.35
  5. Step 5: Solve for x
    x = 53,253,724,535.35/215,131.84
  6. Step 6: Final answer
    x = 247,539.95

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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.