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Finding the Fourth Proportional to 428,241.94, 590,993.24 and 237,255.33

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Solution

The fourth proportional to 428,241.94, 590,993.24 and 237,255.33 is: 327,423.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,241.94 : 590,993.24 = 237,255.33 : x
  2. Step 2: Convert to fraction form
    428,241.94/590,993.24 = 237,255.33/x
  3. Step 3: Cross multiply
    428,241.94x = 590,993.24 × 237,255.33
  4. Step 4: Simplify right side
    428,241.94x = 140,216,294,556.86
  5. Step 5: Solve for x
    x = 140,216,294,556.86/428,241.94
  6. Step 6: Final answer
    x = 327,423.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.