Home / 221,043.09-331,304.94-102,464.85

Finding the Fourth Proportional to 221,043.09, 331,304.94 and 102,464.85

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Solution

The fourth proportional to 221,043.09, 331,304.94 and 102,464.85 is: 153,576.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,043.09 : 331,304.94 = 102,464.85 : x
  2. Step 2: Convert to fraction form
    221,043.09/331,304.94 = 102,464.85/x
  3. Step 3: Cross multiply
    221,043.09x = 331,304.94 × 102,464.85
  4. Step 4: Simplify right side
    221,043.09x = 33,947,110,981.36
  5. Step 5: Solve for x
    x = 33,947,110,981.36/221,043.09
  6. Step 6: Final answer
    x = 153,576.89

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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.