Home / 278,173.41-416,611.20-203,107.37

Finding the Fourth Proportional to 278,173.41, 416,611.20 and 203,107.37

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Solution

The fourth proportional to 278,173.41, 416,611.20 and 203,107.37 is: 304,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,173.41 : 416,611.20 = 203,107.37 : x
  2. Step 2: Convert to fraction form
    278,173.41/416,611.20 = 203,107.37/x
  3. Step 3: Cross multiply
    278,173.41x = 416,611.20 × 203,107.37
  4. Step 4: Simplify right side
    278,173.41x = 84,616,806,195.82
  5. Step 5: Solve for x
    x = 84,616,806,195.82/278,173.41
  6. Step 6: Final answer
    x = 304,187.25

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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.