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Finding the Fourth Proportional to 329,660.40, 494,490.60 and 223,372.20

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Solution

The fourth proportional to 329,660.40, 494,490.60 and 223,372.20 is: 335,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,660.40 : 494,490.60 = 223,372.20 : x
  2. Step 2: Convert to fraction form
    329,660.40/494,490.60 = 223,372.20/x
  3. Step 3: Cross multiply
    329,660.40x = 494,490.60 × 223,372.20
  4. Step 4: Simplify right side
    329,660.40x = 110,455,453,201.32
  5. Step 5: Solve for x
    x = 110,455,453,201.32/329,660.40
  6. Step 6: Final answer
    x = 335,058.30

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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.