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Finding the Fourth Proportional to 248,842, 343,401.96 and 159,418

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Solution

The fourth proportional to 248,842, 343,401.96 and 159,418 is: 219,996.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,842 : 343,401.96 = 159,418 : x
  2. Step 2: Convert to fraction form
    248,842/343,401.96 = 159,418/x
  3. Step 3: Cross multiply
    248,842x = 343,401.96 × 159,418
  4. Step 4: Simplify right side
    248,842x = 54,744,453,659.28
  5. Step 5: Solve for x
    x = 54,744,453,659.28/248,842
  6. Step 6: Final answer
    x = 219,996.84

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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.