Home / 394,127.85-543,896.96-224,361.75

Finding the Fourth Proportional to 394,127.85, 543,896.96 and 224,361.75

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Solution

The fourth proportional to 394,127.85, 543,896.96 and 224,361.75 is: 309,619.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,127.85 : 543,896.96 = 224,361.75 : x
  2. Step 2: Convert to fraction form
    394,127.85/543,896.96 = 224,361.75/x
  3. Step 3: Cross multiply
    394,127.85x = 543,896.96 × 224,361.75
  4. Step 4: Simplify right side
    394,127.85x = 122,029,672,643.47
  5. Step 5: Solve for x
    x = 122,029,672,643.47/394,127.85
  6. Step 6: Final answer
    x = 309,619.51

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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.