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Finding the Fourth Proportional to 264,918.22, 397,378.24 and 65,243.32

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Solution

The fourth proportional to 264,918.22, 397,378.24 and 65,243.32 is: 97,865.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,918.22 : 397,378.24 = 65,243.32 : x
  2. Step 2: Convert to fraction form
    264,918.22/397,378.24 = 65,243.32/x
  3. Step 3: Cross multiply
    264,918.22x = 397,378.24 × 65,243.32
  4. Step 4: Simplify right side
    264,918.22x = 25,926,275,673.36
  5. Step 5: Solve for x
    x = 25,926,275,673.36/264,918.22
  6. Step 6: Final answer
    x = 97,865.20

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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.