Home / 215,362.80-323,744.04-214,313.04

Finding the Fourth Proportional to 215,362.80, 323,744.04 and 214,313.04

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Solution

The fourth proportional to 215,362.80, 323,744.04 and 214,313.04 is: 322,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,362.80 : 323,744.04 = 214,313.04 : x
  2. Step 2: Convert to fraction form
    215,362.80/323,744.04 = 214,313.04/x
  3. Step 3: Cross multiply
    215,362.80x = 323,744.04 × 214,313.04
  4. Step 4: Simplify right side
    215,362.80x = 69,382,569,394.28
  5. Step 5: Solve for x
    x = 69,382,569,394.28/215,362.80
  6. Step 6: Final answer
    x = 322,165.99

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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.