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Finding the Fourth Proportional to 264,328.52, 396,489.36 and 64,650.56

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Solution

The fourth proportional to 264,328.52, 396,489.36 and 64,650.56 is: 96,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,328.52 : 396,489.36 = 64,650.56 : x
  2. Step 2: Convert to fraction form
    264,328.52/396,489.36 = 64,650.56/x
  3. Step 3: Cross multiply
    264,328.52x = 396,489.36 × 64,650.56
  4. Step 4: Simplify right side
    264,328.52x = 25,633,259,158.04
  5. Step 5: Solve for x
    x = 25,633,259,158.04/264,328.52
  6. Step 6: Final answer
    x = 96,975.00

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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.