Home / 278,930.00-384,920.46-151,604.66

Finding the Fourth Proportional to 278,930.00, 384,920.46 and 151,604.66

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Solution

The fourth proportional to 278,930.00, 384,920.46 and 151,604.66 is: 209,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,930.00 : 384,920.46 = 151,604.66 : x
  2. Step 2: Convert to fraction form
    278,930.00/384,920.46 = 151,604.66/x
  3. Step 3: Cross multiply
    278,930.00x = 384,920.46 × 151,604.66
  4. Step 4: Simplify right side
    278,930.00x = 58,355,733,540.74
  5. Step 5: Solve for x
    x = 58,355,733,540.74/278,930.00
  6. Step 6: Final answer
    x = 209,212.83

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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.