Home / 268,821.92-370,910.96-225,964.32

Finding the Fourth Proportional to 268,821.92, 370,910.96 and 225,964.32

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Solution

The fourth proportional to 268,821.92, 370,910.96 and 225,964.32 is: 311,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,821.92 : 370,910.96 = 225,964.32 : x
  2. Step 2: Convert to fraction form
    268,821.92/370,910.96 = 225,964.32/x
  3. Step 3: Cross multiply
    268,821.92x = 370,910.96 × 225,964.32
  4. Step 4: Simplify right side
    268,821.92x = 83,812,642,856.95
  5. Step 5: Solve for x
    x = 83,812,642,856.95/268,821.92
  6. Step 6: Final answer
    x = 311,777.56

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1.5x scale

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.