Home / 248,760.20-343,018.05-168,047.66

Finding the Fourth Proportional to 248,760.20, 343,018.05 and 168,047.66

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Solution

The fourth proportional to 248,760.20, 343,018.05 and 168,047.66 is: 231,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,760.20 : 343,018.05 = 168,047.66 : x
  2. Step 2: Convert to fraction form
    248,760.20/343,018.05 = 168,047.66/x
  3. Step 3: Cross multiply
    248,760.20x = 343,018.05 × 168,047.66
  4. Step 4: Simplify right side
    248,760.20x = 57,643,380,640.26
  5. Step 5: Solve for x
    x = 57,643,380,640.26/248,760.20
  6. Step 6: Final answer
    x = 231,722.68

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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.