Home / 321,296.08-481,455.96-254,457.04

Finding the Fourth Proportional to 321,296.08, 481,455.96 and 254,457.04

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Solution

The fourth proportional to 321,296.08, 481,455.96 and 254,457.04 is: 381,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,296.08 : 481,455.96 = 254,457.04 : x
  2. Step 2: Convert to fraction form
    321,296.08/481,455.96 = 254,457.04/x
  3. Step 3: Cross multiply
    321,296.08x = 481,455.96 × 254,457.04
  4. Step 4: Simplify right side
    321,296.08x = 122,509,858,471.96
  5. Step 5: Solve for x
    x = 122,509,858,471.96/321,296.08
  6. Step 6: Final answer
    x = 381,298.95

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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.