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Finding the Fourth Proportional to 221,879.58, 332,875.26 and 64,107

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Solution

The fourth proportional to 221,879.58, 332,875.26 and 64,107 is: 96,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,879.58 : 332,875.26 = 64,107 : x
  2. Step 2: Convert to fraction form
    221,879.58/332,875.26 = 64,107/x
  3. Step 3: Cross multiply
    221,879.58x = 332,875.26 × 64,107
  4. Step 4: Simplify right side
    221,879.58x = 21,339,634,292.82
  5. Step 5: Solve for x
    x = 21,339,634,292.82/221,879.58
  6. Step 6: Final answer
    x = 96,176.65

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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.