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Finding the Fourth Proportional to 395,496.72, 593,333.24 and 217,912.32

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Solution

The fourth proportional to 395,496.72, 593,333.24 and 217,912.32 is: 326,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,496.72 : 593,333.24 = 217,912.32 : x
  2. Step 2: Convert to fraction form
    395,496.72/593,333.24 = 217,912.32/x
  3. Step 3: Cross multiply
    395,496.72x = 593,333.24 × 217,912.32
  4. Step 4: Simplify right side
    395,496.72x = 129,294,621,771.96
  5. Step 5: Solve for x
    x = 129,294,621,771.96/395,496.72
  6. Step 6: Final answer
    x = 326,917.05

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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.