Home / 206,270.37-309,333.87-98,186.40

Finding the Fourth Proportional to 206,270.37, 309,333.87 and 98,186.40

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Solution

The fourth proportional to 206,270.37, 309,333.87 and 98,186.40 is: 147,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,270.37 : 309,333.87 = 98,186.40 : x
  2. Step 2: Convert to fraction form
    206,270.37/309,333.87 = 98,186.40/x
  3. Step 3: Cross multiply
    206,270.37x = 309,333.87 × 98,186.40
  4. Step 4: Simplify right side
    206,270.37x = 30,372,379,093.37
  5. Step 5: Solve for x
    x = 30,372,379,093.37/206,270.37
  6. Step 6: Final answer
    x = 147,245.48

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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.