Home / 313,453.28-432,634.41-206,033.31

Finding the Fourth Proportional to 313,453.28, 432,634.41 and 206,033.31

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Solution

The fourth proportional to 313,453.28, 432,634.41 and 206,033.31 is: 284,371.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,453.28 : 432,634.41 = 206,033.31 : x
  2. Step 2: Convert to fraction form
    313,453.28/432,634.41 = 206,033.31/x
  3. Step 3: Cross multiply
    313,453.28x = 432,634.41 × 206,033.31
  4. Step 4: Simplify right side
    313,453.28x = 89,137,099,512.20
  5. Step 5: Solve for x
    x = 89,137,099,512.20/313,453.28
  6. Step 6: Final answer
    x = 284,371.25

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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.