Home / 221,913.28-332,856.96-64,138.24

Finding the Fourth Proportional to 221,913.28, 332,856.96 and 64,138.24

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Solution

The fourth proportional to 221,913.28, 332,856.96 and 64,138.24 is: 96,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,913.28 : 332,856.96 = 64,138.24 : x
  2. Step 2: Convert to fraction form
    221,913.28/332,856.96 = 64,138.24/x
  3. Step 3: Cross multiply
    221,913.28x = 332,856.96 × 64,138.24
  4. Step 4: Simplify right side
    221,913.28x = 21,348,859,586.15
  5. Step 5: Solve for x
    x = 21,348,859,586.15/221,913.28
  6. Step 6: Final answer
    x = 96,203.61

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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.