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Finding the Fourth Proportional to 329,352.45, 454,506.48 and 178,449.45

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Solution

The fourth proportional to 329,352.45, 454,506.48 and 178,449.45 is: 246,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,352.45 : 454,506.48 = 178,449.45 : x
  2. Step 2: Convert to fraction form
    329,352.45/454,506.48 = 178,449.45/x
  3. Step 3: Cross multiply
    329,352.45x = 454,506.48 × 178,449.45
  4. Step 4: Simplify right side
    329,352.45x = 81,106,431,377.44
  5. Step 5: Solve for x
    x = 81,106,431,377.44/329,352.45
  6. Step 6: Final answer
    x = 246,260.29

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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.