Home / 329,738.70-494,608.05-215,577.30

Finding the Fourth Proportional to 329,738.70, 494,608.05 and 215,577.30

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Solution

The fourth proportional to 329,738.70, 494,608.05 and 215,577.30 is: 323,365.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,738.70 : 494,608.05 = 215,577.30 : x
  2. Step 2: Convert to fraction form
    329,738.70/494,608.05 = 215,577.30/x
  3. Step 3: Cross multiply
    329,738.70x = 494,608.05 × 215,577.30
  4. Step 4: Simplify right side
    329,738.70x = 106,626,267,977.27
  5. Step 5: Solve for x
    x = 106,626,267,977.27/329,738.70
  6. Step 6: Final answer
    x = 323,365.95

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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.