Home / 221,917.49-332,878.67-64,147.31

Finding the Fourth Proportional to 221,917.49, 332,878.67 and 64,147.31

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Solution

The fourth proportional to 221,917.49, 332,878.67 and 64,147.31 is: 96,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,917.49 : 332,878.67 = 64,147.31 : x
  2. Step 2: Convert to fraction form
    221,917.49/332,878.67 = 64,147.31/x
  3. Step 3: Cross multiply
    221,917.49x = 332,878.67 × 64,147.31
  4. Step 4: Simplify right side
    221,917.49x = 21,353,272,069.07
  5. Step 5: Solve for x
    x = 21,353,272,069.07/221,917.49
  6. Step 6: Final answer
    x = 96,221.67

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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.