Home / 221,546.49-332,354.81-79,388.61

Finding the Fourth Proportional to 221,546.49, 332,354.81 and 79,388.61

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Solution

The fourth proportional to 221,546.49, 332,354.81 and 79,388.61 is: 119,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,546.49 : 332,354.81 = 79,388.61 : x
  2. Step 2: Convert to fraction form
    221,546.49/332,354.81 = 79,388.61/x
  3. Step 3: Cross multiply
    221,546.49x = 332,354.81 × 79,388.61
  4. Step 4: Simplify right side
    221,546.49x = 26,385,185,344.86
  5. Step 5: Solve for x
    x = 26,385,185,344.86/221,546.49
  6. Step 6: Final answer
    x = 119,095.48

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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.