Home / 428,205.96-590,881.23-237,183.66

Finding the Fourth Proportional to 428,205.96, 590,881.23 and 237,183.66

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Solution

The fourth proportional to 428,205.96, 590,881.23 and 237,183.66 is: 327,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,205.96 : 590,881.23 = 237,183.66 : x
  2. Step 2: Convert to fraction form
    428,205.96/590,881.23 = 237,183.66/x
  3. Step 3: Cross multiply
    428,205.96x = 590,881.23 × 237,183.66
  4. Step 4: Simplify right side
    428,205.96x = 140,147,372,756.70
  5. Step 5: Solve for x
    x = 140,147,372,756.70/428,205.96
  6. Step 6: Final answer
    x = 327,289.64

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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.