Home / 428,427.30-591,229.73-237,453.02

Finding the Fourth Proportional to 428,427.30, 591,229.73 and 237,453.02

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Solution

The fourth proportional to 428,427.30, 591,229.73 and 237,453.02 is: 327,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,427.30 : 591,229.73 = 237,453.02 : x
  2. Step 2: Convert to fraction form
    428,427.30/591,229.73 = 237,453.02/x
  3. Step 3: Cross multiply
    428,427.30x = 591,229.73 × 237,453.02
  4. Step 4: Simplify right side
    428,427.30x = 140,389,284,902.29
  5. Step 5: Solve for x
    x = 140,389,284,902.29/428,427.30
  6. Step 6: Final answer
    x = 327,685.20

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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.