Home / 221,827.32-332,872.78-81,684.36

Finding the Fourth Proportional to 221,827.32, 332,872.78 and 81,684.36

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Solution

The fourth proportional to 221,827.32, 332,872.78 and 81,684.36 is: 122,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,827.32 : 332,872.78 = 81,684.36 : x
  2. Step 2: Convert to fraction form
    221,827.32/332,872.78 = 81,684.36/x
  3. Step 3: Cross multiply
    221,827.32x = 332,872.78 × 81,684.36
  4. Step 4: Simplify right side
    221,827.32x = 27,190,499,995.72
  5. Step 5: Solve for x
    x = 27,190,499,995.72/221,827.32
  6. Step 6: Final answer
    x = 122,575.07

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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.