Home / 320,845.64-481,741.58-178,968.12

Finding the Fourth Proportional to 320,845.64, 481,741.58 and 178,968.12

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Solution

The fourth proportional to 320,845.64, 481,741.58 and 178,968.12 is: 268,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,845.64 : 481,741.58 = 178,968.12 : x
  2. Step 2: Convert to fraction form
    320,845.64/481,741.58 = 178,968.12/x
  3. Step 3: Cross multiply
    320,845.64x = 481,741.58 × 178,968.12
  4. Step 4: Simplify right side
    320,845.64x = 86,216,384,898.43
  5. Step 5: Solve for x
    x = 86,216,384,898.43/320,845.64
  6. Step 6: Final answer
    x = 268,716.09

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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.