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Finding the Fourth Proportional to 329,600.28, 494,447.78 and 101,913.64

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Solution

The fourth proportional to 329,600.28, 494,447.78 and 101,913.64 is: 152,885.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,600.28 : 494,447.78 = 101,913.64 : x
  2. Step 2: Convert to fraction form
    329,600.28/494,447.78 = 101,913.64/x
  3. Step 3: Cross multiply
    329,600.28x = 494,447.78 × 101,913.64
  4. Step 4: Simplify right side
    329,600.28x = 50,390,973,049.72
  5. Step 5: Solve for x
    x = 50,390,973,049.72/329,600.28
  6. Step 6: Final answer
    x = 152,885.10

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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.