Home / 428,522.72-591,299.20-237,536

Finding the Fourth Proportional to 428,522.72, 591,299.20 and 237,536

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Solution

The fourth proportional to 428,522.72, 591,299.20 and 237,536 is: 327,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,522.72 : 591,299.20 = 237,536 : x
  2. Step 2: Convert to fraction form
    428,522.72/591,299.20 = 237,536/x
  3. Step 3: Cross multiply
    428,522.72x = 591,299.20 × 237,536
  4. Step 4: Simplify right side
    428,522.72x = 140,454,846,771.20
  5. Step 5: Solve for x
    x = 140,454,846,771.20/428,522.72
  6. Step 6: Final answer
    x = 327,765.23

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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.