Home / 400,716.75-552,989.12-230,961.81

Finding the Fourth Proportional to 400,716.75, 552,989.12 and 230,961.81

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Solution

The fourth proportional to 400,716.75, 552,989.12 and 230,961.81 is: 318,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,716.75 : 552,989.12 = 230,961.81 : x
  2. Step 2: Convert to fraction form
    400,716.75/552,989.12 = 230,961.81/x
  3. Step 3: Cross multiply
    400,716.75x = 552,989.12 × 230,961.81
  4. Step 4: Simplify right side
    400,716.75x = 127,719,366,910.70
  5. Step 5: Solve for x
    x = 127,719,366,910.70/400,716.75
  6. Step 6: Final answer
    x = 318,727.30

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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.