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Finding the Fourth Proportional to 343,858.76, 515,117.17 and 225,170.27

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Solution

The fourth proportional to 343,858.76, 515,117.17 and 225,170.27 is: 337,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,858.76 : 515,117.17 = 225,170.27 : x
  2. Step 2: Convert to fraction form
    343,858.76/515,117.17 = 225,170.27/x
  3. Step 3: Cross multiply
    343,858.76x = 515,117.17 × 225,170.27
  4. Step 4: Simplify right side
    343,858.76x = 115,989,072,250.54
  5. Step 5: Solve for x
    x = 115,989,072,250.54/343,858.76
  6. Step 6: Final answer
    x = 337,316.03

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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.