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Finding the Fourth Proportional to 362,672.64, 543,697.92 and 125,867.52

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Solution

The fourth proportional to 362,672.64, 543,697.92 and 125,867.52 is: 188,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,672.64 : 543,697.92 = 125,867.52 : x
  2. Step 2: Convert to fraction form
    362,672.64/543,697.92 = 125,867.52/x
  3. Step 3: Cross multiply
    362,672.64x = 543,697.92 × 125,867.52
  4. Step 4: Simplify right side
    362,672.64x = 68,433,908,819.56
  5. Step 5: Solve for x
    x = 68,433,908,819.56/362,672.64
  6. Step 6: Final answer
    x = 188,693.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.