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Finding the Fourth Proportional to 329,793.30, 494,770.95 and 93,132.90

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Solution

The fourth proportional to 329,793.30, 494,770.95 and 93,132.90 is: 139,722.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,793.30 : 494,770.95 = 93,132.90 : x
  2. Step 2: Convert to fraction form
    329,793.30/494,770.95 = 93,132.90/x
  3. Step 3: Cross multiply
    329,793.30x = 494,770.95 × 93,132.90
  4. Step 4: Simplify right side
    329,793.30x = 46,079,453,409.26
  5. Step 5: Solve for x
    x = 46,079,453,409.26/329,793.30
  6. Step 6: Final answer
    x = 139,722.22

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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.