Home / 456,327.70-684,910.05-231,844.30

Finding the Fourth Proportional to 456,327.70, 684,910.05 and 231,844.30

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Solution

The fourth proportional to 456,327.70, 684,910.05 and 231,844.30 is: 347,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,327.70 : 684,910.05 = 231,844.30 : x
  2. Step 2: Convert to fraction form
    456,327.70/684,910.05 = 231,844.30/x
  3. Step 3: Cross multiply
    456,327.70x = 684,910.05 × 231,844.30
  4. Step 4: Simplify right side
    456,327.70x = 158,792,491,105.22
  5. Step 5: Solve for x
    x = 158,792,491,105.22/456,327.70
  6. Step 6: Final answer
    x = 347,979.08

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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.