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Finding the Fourth Proportional to 341,426.60, 512,139.90 and 323,930.60

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Solution

The fourth proportional to 341,426.60, 512,139.90 and 323,930.60 is: 485,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,426.60 : 512,139.90 = 323,930.60 : x
  2. Step 2: Convert to fraction form
    341,426.60/512,139.90 = 323,930.60/x
  3. Step 3: Cross multiply
    341,426.60x = 512,139.90 × 323,930.60
  4. Step 4: Simplify right side
    341,426.60x = 165,897,785,090.94
  5. Step 5: Solve for x
    x = 165,897,785,090.94/341,426.60
  6. Step 6: Final answer
    x = 485,895.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.