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Finding the Fourth Proportional to 329,063.63, 493,495.18 and 171,205.97

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Solution

The fourth proportional to 329,063.63, 493,495.18 and 171,205.97 is: 256,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,063.63 : 493,495.18 = 171,205.97 : x
  2. Step 2: Convert to fraction form
    329,063.63/493,495.18 = 171,205.97/x
  3. Step 3: Cross multiply
    329,063.63x = 493,495.18 × 171,205.97
  4. Step 4: Simplify right side
    329,063.63x = 84,489,318,086.73
  5. Step 5: Solve for x
    x = 84,489,318,086.73/329,063.63
  6. Step 6: Final answer
    x = 256,756.78

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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.