Home / 221,965.70-332,972.85-214,967.30

Finding the Fourth Proportional to 221,965.70, 332,972.85 and 214,967.30

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Solution

The fourth proportional to 221,965.70, 332,972.85 and 214,967.30 is: 322,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,965.70 : 332,972.85 = 214,967.30 : x
  2. Step 2: Convert to fraction form
    221,965.70/332,972.85 = 214,967.30/x
  3. Step 3: Cross multiply
    221,965.70x = 332,972.85 × 214,967.30
  4. Step 4: Simplify right side
    221,965.70x = 71,578,274,537.81
  5. Step 5: Solve for x
    x = 71,578,274,537.81/221,965.70
  6. Step 6: Final answer
    x = 322,474.48

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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.