Home / 221,240.32-331,824-94,900.96

Finding the Fourth Proportional to 221,240.32, 331,824 and 94,900.96

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Solution

The fourth proportional to 221,240.32, 331,824 and 94,900.96 is: 142,335.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,240.32 : 331,824 = 94,900.96 : x
  2. Step 2: Convert to fraction form
    221,240.32/331,824 = 94,900.96/x
  3. Step 3: Cross multiply
    221,240.32x = 331,824 × 94,900.96
  4. Step 4: Simplify right side
    221,240.32x = 31,490,416,151.04
  5. Step 5: Solve for x
    x = 31,490,416,151.04/221,240.32
  6. Step 6: Final answer
    x = 142,335.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.