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Finding the Fourth Proportional to 329,668.59, 494,591.65 and 169,657.34

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Solution

The fourth proportional to 329,668.59, 494,591.65 and 169,657.34 is: 254,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,668.59 : 494,591.65 = 169,657.34 : x
  2. Step 2: Convert to fraction form
    329,668.59/494,591.65 = 169,657.34/x
  3. Step 3: Cross multiply
    329,668.59x = 494,591.65 × 169,657.34
  4. Step 4: Simplify right side
    329,668.59x = 83,911,103,725.21
  5. Step 5: Solve for x
    x = 83,911,103,725.21/329,668.59
  6. Step 6: Final answer
    x = 254,531.69

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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.