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Finding the Fourth Proportional to 329,474.48, 454,662.54 and 178,568.24

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Solution

The fourth proportional to 329,474.48, 454,662.54 and 178,568.24 is: 246,417.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,474.48 : 454,662.54 = 178,568.24 : x
  2. Step 2: Convert to fraction form
    329,474.48/454,662.54 = 178,568.24/x
  3. Step 3: Cross multiply
    329,474.48x = 454,662.54 × 178,568.24
  4. Step 4: Simplify right side
    329,474.48x = 81,188,289,561.73
  5. Step 5: Solve for x
    x = 81,188,289,561.73/329,474.48
  6. Step 6: Final answer
    x = 246,417.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.