Home / 268,228.12-370,161-147,376.96

Finding the Fourth Proportional to 268,228.12, 370,161 and 147,376.96

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Solution

The fourth proportional to 268,228.12, 370,161 and 147,376.96 is: 203,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,228.12 : 370,161 = 147,376.96 : x
  2. Step 2: Convert to fraction form
    268,228.12/370,161 = 147,376.96/x
  3. Step 3: Cross multiply
    268,228.12x = 370,161 × 147,376.96
  4. Step 4: Simplify right side
    268,228.12x = 54,553,202,890.56
  5. Step 5: Solve for x
    x = 54,553,202,890.56/268,228.12
  6. Step 6: Final answer
    x = 203,383.61

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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.