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Finding the Fourth Proportional to 323,381.68, 485,403.54 and 267,042.29

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Solution

The fourth proportional to 323,381.68, 485,403.54 and 267,042.29 is: 400,836.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,381.68 : 485,403.54 = 267,042.29 : x
  2. Step 2: Convert to fraction form
    323,381.68/485,403.54 = 267,042.29/x
  3. Step 3: Cross multiply
    323,381.68x = 485,403.54 × 267,042.29
  4. Step 4: Simplify right side
    323,381.68x = 129,623,269,467.28
  5. Step 5: Solve for x
    x = 129,623,269,467.28/323,381.68
  6. Step 6: Final answer
    x = 400,836.77

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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.