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Finding the Fourth Proportional to 323,381.62, 485,072.46 and 123,763.24

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Solution

The fourth proportional to 323,381.62, 485,072.46 and 123,763.24 is: 185,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,381.62 : 485,072.46 = 123,763.24 : x
  2. Step 2: Convert to fraction form
    323,381.62/485,072.46 = 123,763.24/x
  3. Step 3: Cross multiply
    323,381.62x = 485,072.46 × 123,763.24
  4. Step 4: Simplify right side
    323,381.62x = 60,034,139,284.37
  5. Step 5: Solve for x
    x = 60,034,139,284.37/323,381.62
  6. Step 6: Final answer
    x = 185,644.87

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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.