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Finding the Fourth Proportional to 428,167.56, 590,863.50 and 237,180.36

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Solution

The fourth proportional to 428,167.56, 590,863.50 and 237,180.36 is: 327,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,167.56 : 590,863.50 = 237,180.36 : x
  2. Step 2: Convert to fraction form
    428,167.56/590,863.50 = 237,180.36/x
  3. Step 3: Cross multiply
    428,167.56x = 590,863.50 × 237,180.36
  4. Step 4: Simplify right side
    428,167.56x = 140,141,217,640.86
  5. Step 5: Solve for x
    x = 140,141,217,640.86/428,167.56
  6. Step 6: Final answer
    x = 327,304.61

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1.5x scale

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.