Home / 278,982.44-385,003.74-170,093.06

Finding the Fourth Proportional to 278,982.44, 385,003.74 and 170,093.06

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Solution

The fourth proportional to 278,982.44, 385,003.74 and 170,093.06 is: 234,733.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,982.44 : 385,003.74 = 170,093.06 : x
  2. Step 2: Convert to fraction form
    278,982.44/385,003.74 = 170,093.06/x
  3. Step 3: Cross multiply
    278,982.44x = 385,003.74 × 170,093.06
  4. Step 4: Simplify right side
    278,982.44x = 65,486,464,248.04
  5. Step 5: Solve for x
    x = 65,486,464,248.04/278,982.44
  6. Step 6: Final answer
    x = 234,733.28

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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.