Home / 224,558.20-336,544.80-91,282.78

Finding the Fourth Proportional to 224,558.20, 336,544.80 and 91,282.78

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Solution

The fourth proportional to 224,558.20, 336,544.80 and 91,282.78 is: 136,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,558.20 : 336,544.80 = 91,282.78 : x
  2. Step 2: Convert to fraction form
    224,558.20/336,544.80 = 91,282.78/x
  3. Step 3: Cross multiply
    224,558.20x = 336,544.80 × 91,282.78
  4. Step 4: Simplify right side
    224,558.20x = 30,720,744,938.54
  5. Step 5: Solve for x
    x = 30,720,744,938.54/224,558.20
  6. Step 6: Final answer
    x = 136,805.27

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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.