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Finding the Fourth Proportional to 329,212.08, 454,310.28 and 178,308

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Solution

The fourth proportional to 329,212.08, 454,310.28 and 178,308 is: 246,063.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,212.08 : 454,310.28 = 178,308 : x
  2. Step 2: Convert to fraction form
    329,212.08/454,310.28 = 178,308/x
  3. Step 3: Cross multiply
    329,212.08x = 454,310.28 × 178,308
  4. Step 4: Simplify right side
    329,212.08x = 81,007,157,406.24
  5. Step 5: Solve for x
    x = 81,007,157,406.24/329,212.08
  6. Step 6: Final answer
    x = 246,063.75

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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.