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Finding the Fourth Proportional to 355,097.60, 490,037.36 and 193,949.76

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Solution

The fourth proportional to 355,097.60, 490,037.36 and 193,949.76 is: 267,652.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,097.60 : 490,037.36 = 193,949.76 : x
  2. Step 2: Convert to fraction form
    355,097.60/490,037.36 = 193,949.76/x
  3. Step 3: Cross multiply
    355,097.60x = 490,037.36 × 193,949.76
  4. Step 4: Simplify right side
    355,097.60x = 95,042,628,363.03
  5. Step 5: Solve for x
    x = 95,042,628,363.03/355,097.60
  6. Step 6: Final answer
    x = 267,652.13

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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.