Home / 221,085.36-331,628.04-54,873.36

Finding the Fourth Proportional to 221,085.36, 331,628.04 and 54,873.36

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Solution

The fourth proportional to 221,085.36, 331,628.04 and 54,873.36 is: 82,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,085.36 : 331,628.04 = 54,873.36 : x
  2. Step 2: Convert to fraction form
    221,085.36/331,628.04 = 54,873.36/x
  3. Step 3: Cross multiply
    221,085.36x = 331,628.04 × 54,873.36
  4. Step 4: Simplify right side
    221,085.36x = 18,197,544,825.01
  5. Step 5: Solve for x
    x = 18,197,544,825.01/221,085.36
  6. Step 6: Final answer
    x = 82,310.04

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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.