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Finding the Fourth Proportional to 329,180.46, 493,770.68 and 79,862.46

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Solution

The fourth proportional to 329,180.46, 493,770.68 and 79,862.46 is: 119,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,180.46 : 493,770.68 = 79,862.46 : x
  2. Step 2: Convert to fraction form
    329,180.46/493,770.68 = 79,862.46/x
  3. Step 3: Cross multiply
    329,180.46x = 493,770.68 × 79,862.46
  4. Step 4: Simplify right side
    329,180.46x = 39,433,739,528.69
  5. Step 5: Solve for x
    x = 39,433,739,528.69/329,180.46
  6. Step 6: Final answer
    x = 119,793.68

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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.