Home / 278,584.92-384,441.40-151,260.62

Finding the Fourth Proportional to 278,584.92, 384,441.40 and 151,260.62

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Solution

The fourth proportional to 278,584.92, 384,441.40 and 151,260.62 is: 208,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,584.92 : 384,441.40 = 151,260.62 : x
  2. Step 2: Convert to fraction form
    278,584.92/384,441.40 = 151,260.62/x
  3. Step 3: Cross multiply
    278,584.92x = 384,441.40 × 151,260.62
  4. Step 4: Simplify right side
    278,584.92x = 58,150,844,517.67
  5. Step 5: Solve for x
    x = 58,150,844,517.67/278,584.92
  6. Step 6: Final answer
    x = 208,736.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.