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Finding the Fourth Proportional to 329,523.60, 494,285.40 and 327,190.80

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Solution

The fourth proportional to 329,523.60, 494,285.40 and 327,190.80 is: 490,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,523.60 : 494,285.40 = 327,190.80 : x
  2. Step 2: Convert to fraction form
    329,523.60/494,285.40 = 327,190.80/x
  3. Step 3: Cross multiply
    329,523.60x = 494,285.40 × 327,190.80
  4. Step 4: Simplify right side
    329,523.60x = 161,725,635,454.32
  5. Step 5: Solve for x
    x = 161,725,635,454.32/329,523.60
  6. Step 6: Final answer
    x = 490,786.20

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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.