Home / 320,845.70-481,741.64-178,968.17

Finding the Fourth Proportional to 320,845.70, 481,741.64 and 178,968.17

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Solution

The fourth proportional to 320,845.70, 481,741.64 and 178,968.17 is: 268,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,845.70 : 481,741.64 = 178,968.17 : x
  2. Step 2: Convert to fraction form
    320,845.70/481,741.64 = 178,968.17/x
  3. Step 3: Cross multiply
    320,845.70x = 481,741.64 × 178,968.17
  4. Step 4: Simplify right side
    320,845.70x = 86,216,419,723.60
  5. Step 5: Solve for x
    x = 86,216,419,723.60/320,845.70
  6. Step 6: Final answer
    x = 268,716.15

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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.