Home / 329,734.53-494,269.38-129,977.55

Finding the Fourth Proportional to 329,734.53, 494,269.38 and 129,977.55

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Solution

The fourth proportional to 329,734.53, 494,269.38 and 129,977.55 is: 194,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,734.53 : 494,269.38 = 129,977.55 : x
  2. Step 2: Convert to fraction form
    329,734.53/494,269.38 = 129,977.55/x
  3. Step 3: Cross multiply
    329,734.53x = 494,269.38 × 129,977.55
  4. Step 4: Simplify right side
    329,734.53x = 64,243,923,052.42
  5. Step 5: Solve for x
    x = 64,243,923,052.42/329,734.53
  6. Step 6: Final answer
    x = 194,835.29

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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.