Home / 428,359.04-591,138.97-237,375.62

Finding the Fourth Proportional to 428,359.04, 591,138.97 and 237,375.62

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Solution

The fourth proportional to 428,359.04, 591,138.97 and 237,375.62 is: 327,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,359.04 : 591,138.97 = 237,375.62 : x
  2. Step 2: Convert to fraction form
    428,359.04/591,138.97 = 237,375.62/x
  3. Step 3: Cross multiply
    428,359.04x = 591,138.97 × 237,375.62
  4. Step 4: Simplify right side
    428,359.04x = 140,321,975,960.78
  5. Step 5: Solve for x
    x = 140,321,975,960.78/428,359.04
  6. Step 6: Final answer
    x = 327,580.29

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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.