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Finding the Fourth Proportional to 358,474.68, 494,709.17 and 197,344.73

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Solution

The fourth proportional to 358,474.68, 494,709.17 and 197,344.73 is: 272,343.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,474.68 : 494,709.17 = 197,344.73 : x
  2. Step 2: Convert to fraction form
    358,474.68/494,709.17 = 197,344.73/x
  3. Step 3: Cross multiply
    358,474.68x = 494,709.17 × 197,344.73
  4. Step 4: Simplify right side
    358,474.68x = 97,628,244,121.90
  5. Step 5: Solve for x
    x = 97,628,244,121.90/358,474.68
  6. Step 6: Final answer
    x = 272,343.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.