Home / 268,217.30-370,143.97-147,360.95

Finding the Fourth Proportional to 268,217.30, 370,143.97 and 147,360.95

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Solution

The fourth proportional to 268,217.30, 370,143.97 and 147,360.95 is: 203,360.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,217.30 : 370,143.97 = 147,360.95 : x
  2. Step 2: Convert to fraction form
    268,217.30/370,143.97 = 147,360.95/x
  3. Step 3: Cross multiply
    268,217.30x = 370,143.97 × 147,360.95
  4. Step 4: Simplify right side
    268,217.30x = 54,544,766,224.89
  5. Step 5: Solve for x
    x = 54,544,766,224.89/268,217.30
  6. Step 6: Final answer
    x = 203,360.36

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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.