Home / 321,788.16-444,046.32-178,539.12

Finding the Fourth Proportional to 321,788.16, 444,046.32 and 178,539.12

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Solution

The fourth proportional to 321,788.16, 444,046.32 and 178,539.12 is: 246,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,788.16 : 444,046.32 = 178,539.12 : x
  2. Step 2: Convert to fraction form
    321,788.16/444,046.32 = 178,539.12/x
  3. Step 3: Cross multiply
    321,788.16x = 444,046.32 × 178,539.12
  4. Step 4: Simplify right side
    321,788.16x = 79,279,639,212.04
  5. Step 5: Solve for x
    x = 79,279,639,212.04/321,788.16
  6. Step 6: Final answer
    x = 246,372.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.