Home / 221,917.12-332,878.11-64,146.94

Finding the Fourth Proportional to 221,917.12, 332,878.11 and 64,146.94

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Solution

The fourth proportional to 221,917.12, 332,878.11 and 64,146.94 is: 96,221.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,917.12 : 332,878.11 = 64,146.94 : x
  2. Step 2: Convert to fraction form
    221,917.12/332,878.11 = 64,146.94/x
  3. Step 3: Cross multiply
    221,917.12x = 332,878.11 × 64,146.94
  4. Step 4: Simplify right side
    221,917.12x = 21,353,111,076.74
  5. Step 5: Solve for x
    x = 21,353,111,076.74/221,917.12
  6. Step 6: Final answer
    x = 96,221.11

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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.