Home / 278,122.26-416,935.86-100,589.83

Finding the Fourth Proportional to 278,122.26, 416,935.86 and 100,589.83

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Solution

The fourth proportional to 278,122.26, 416,935.86 and 100,589.83 is: 150,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,122.26 : 416,935.86 = 100,589.83 : x
  2. Step 2: Convert to fraction form
    278,122.26/416,935.86 = 100,589.83/x
  3. Step 3: Cross multiply
    278,122.26x = 416,935.86 × 100,589.83
  4. Step 4: Simplify right side
    278,122.26x = 41,939,507,278.30
  5. Step 5: Solve for x
    x = 41,939,507,278.30/278,122.26
  6. Step 6: Final answer
    x = 150,795.22

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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.