Home / 253,091.16-379,636.68-231,971.88

Finding the Fourth Proportional to 253,091.16, 379,636.68 and 231,971.88

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Solution

The fourth proportional to 253,091.16, 379,636.68 and 231,971.88 is: 347,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,091.16 : 379,636.68 = 231,971.88 : x
  2. Step 2: Convert to fraction form
    253,091.16/379,636.68 = 231,971.88/x
  3. Step 3: Cross multiply
    253,091.16x = 379,636.68 × 231,971.88
  4. Step 4: Simplify right side
    253,091.16x = 88,065,034,376.56
  5. Step 5: Solve for x
    x = 88,065,034,376.56/253,091.16
  6. Step 6: Final answer
    x = 347,957.77

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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.