Home / 428,170.56-590,867.64-237,183.36

Finding the Fourth Proportional to 428,170.56, 590,867.64 and 237,183.36

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Solution

The fourth proportional to 428,170.56, 590,867.64 and 237,183.36 is: 327,308.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,170.56 : 590,867.64 = 237,183.36 : x
  2. Step 2: Convert to fraction form
    428,170.56/590,867.64 = 237,183.36/x
  3. Step 3: Cross multiply
    428,170.56x = 590,867.64 × 237,183.36
  4. Step 4: Simplify right side
    428,170.56x = 140,143,972,170.47
  5. Step 5: Solve for x
    x = 140,143,972,170.47/428,170.56
  6. Step 6: Final answer
    x = 327,308.75

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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.