Home / 278,912.46-384,899.24-151,588.07

Finding the Fourth Proportional to 278,912.46, 384,899.24 and 151,588.07

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Solution

The fourth proportional to 278,912.46, 384,899.24 and 151,588.07 is: 209,191.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,912.46 : 384,899.24 = 151,588.07 : x
  2. Step 2: Convert to fraction form
    278,912.46/384,899.24 = 151,588.07/x
  3. Step 3: Cross multiply
    278,912.46x = 384,899.24 × 151,588.07
  4. Step 4: Simplify right side
    278,912.46x = 58,346,131,390.54
  5. Step 5: Solve for x
    x = 58,346,131,390.54/278,912.46
  6. Step 6: Final answer
    x = 209,191.56

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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.