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Finding the Fourth Proportional to 356,164.83, 534,246.17 and 275,229.63

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Solution

The fourth proportional to 356,164.83, 534,246.17 and 275,229.63 is: 412,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,164.83 : 534,246.17 = 275,229.63 : x
  2. Step 2: Convert to fraction form
    356,164.83/534,246.17 = 275,229.63/x
  3. Step 3: Cross multiply
    356,164.83x = 534,246.17 × 275,229.63
  4. Step 4: Simplify right side
    356,164.83x = 147,040,374,321.87
  5. Step 5: Solve for x
    x = 147,040,374,321.87/356,164.83
  6. Step 6: Final answer
    x = 412,843.61

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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.