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Finding the Fourth Proportional to 329,418.53, 494,222.37 and 137,255.55

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Solution

The fourth proportional to 329,418.53, 494,222.37 and 137,255.55 is: 205,922.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,418.53 : 494,222.37 = 137,255.55 : x
  2. Step 2: Convert to fraction form
    329,418.53/494,222.37 = 137,255.55/x
  3. Step 3: Cross multiply
    329,418.53x = 494,222.37 × 137,255.55
  4. Step 4: Simplify right side
    329,418.53x = 67,834,762,701.95
  5. Step 5: Solve for x
    x = 67,834,762,701.95/329,418.53
  6. Step 6: Final answer
    x = 205,922.73

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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.