Home / 221,917.50-332,873.52-211,159.28

Finding the Fourth Proportional to 221,917.50, 332,873.52 and 211,159.28

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Solution

The fourth proportional to 221,917.50, 332,873.52 and 211,159.28 is: 316,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,917.50 : 332,873.52 = 211,159.28 : x
  2. Step 2: Convert to fraction form
    221,917.50/332,873.52 = 211,159.28/x
  3. Step 3: Cross multiply
    221,917.50x = 332,873.52 × 211,159.28
  4. Step 4: Simplify right side
    221,917.50x = 70,289,332,814.27
  5. Step 5: Solve for x
    x = 70,289,332,814.27/221,917.50
  6. Step 6: Final answer
    x = 316,736.32

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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.