Home / 268,231.30-370,165.71-147,380.41

Finding the Fourth Proportional to 268,231.30, 370,165.71 and 147,380.41

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Solution

The fourth proportional to 268,231.30, 370,165.71 and 147,380.41 is: 203,388.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,231.30 : 370,165.71 = 147,380.41 : x
  2. Step 2: Convert to fraction form
    268,231.30/370,165.71 = 147,380.41/x
  3. Step 3: Cross multiply
    268,231.30x = 370,165.71 × 147,380.41
  4. Step 4: Simplify right side
    268,231.30x = 54,555,174,107.74
  5. Step 5: Solve for x
    x = 54,555,174,107.74/268,231.30
  6. Step 6: Final answer
    x = 203,388.55

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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.