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Finding the Fourth Proportional to 355,500.96, 490,591.28 and 194,355.97

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Solution

The fourth proportional to 355,500.96, 490,591.28 and 194,355.97 is: 268,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,500.96 : 490,591.28 = 194,355.97 : x
  2. Step 2: Convert to fraction form
    355,500.96/490,591.28 = 194,355.97/x
  3. Step 3: Cross multiply
    355,500.96x = 490,591.28 × 194,355.97
  4. Step 4: Simplify right side
    355,500.96x = 95,349,344,097.94
  5. Step 5: Solve for x
    x = 95,349,344,097.94/355,500.96
  6. Step 6: Final answer
    x = 268,211.21

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