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Finding the Fourth Proportional to 518,568, 777,852 and 168,360

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Solution

The fourth proportional to 518,568, 777,852 and 168,360 is: 252,540

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,568 : 777,852 = 168,360 : x
  2. Step 2: Convert to fraction form
    518,568/777,852 = 168,360/x
  3. Step 3: Cross multiply
    518,568x = 777,852 × 168,360
  4. Step 4: Simplify right side
    518,568x = 130,959,162,720
  5. Step 5: Solve for x
    x = 130,959,162,720/518,568
  6. Step 6: Final answer
    x = 252,540

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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.