Home / 278,981.44-385,002.36-170,092.06

Finding the Fourth Proportional to 278,981.44, 385,002.36 and 170,092.06

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Solution

The fourth proportional to 278,981.44, 385,002.36 and 170,092.06 is: 234,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,981.44 : 385,002.36 = 170,092.06 : x
  2. Step 2: Convert to fraction form
    278,981.44/385,002.36 = 170,092.06/x
  3. Step 3: Cross multiply
    278,981.44x = 385,002.36 × 170,092.06
  4. Step 4: Simplify right side
    278,981.44x = 65,485,844,517.26
  5. Step 5: Solve for x
    x = 65,485,844,517.26/278,981.44
  6. Step 6: Final answer
    x = 234,731.90

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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.