Home / 221,614.32-331,891.68-127,835.76

Finding the Fourth Proportional to 221,614.32, 331,891.68 and 127,835.76

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Solution

The fourth proportional to 221,614.32, 331,891.68 and 127,835.76 is: 191,448.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,614.32 : 331,891.68 = 127,835.76 : x
  2. Step 2: Convert to fraction form
    221,614.32/331,891.68 = 127,835.76/x
  3. Step 3: Cross multiply
    221,614.32x = 331,891.68 × 127,835.76
  4. Step 4: Simplify right side
    221,614.32x = 42,427,625,150.48
  5. Step 5: Solve for x
    x = 42,427,625,150.48/221,614.32
  6. Step 6: Final answer
    x = 191,448.03

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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.