Home / 327,945.20-492,148.20-141,090.80

Finding the Fourth Proportional to 327,945.20, 492,148.20 and 141,090.80

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Solution

The fourth proportional to 327,945.20, 492,148.20 and 141,090.80 is: 211,735.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,945.20 : 492,148.20 = 141,090.80 : x
  2. Step 2: Convert to fraction form
    327,945.20/492,148.20 = 141,090.80/x
  3. Step 3: Cross multiply
    327,945.20x = 492,148.20 × 141,090.80
  4. Step 4: Simplify right side
    327,945.20x = 69,437,583,256.56
  5. Step 5: Solve for x
    x = 69,437,583,256.56/327,945.20
  6. Step 6: Final answer
    x = 211,735.32

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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.