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Finding the Fourth Proportional to 362,641.44, 543,945.54 and 126,002.64

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Solution

The fourth proportional to 362,641.44, 543,945.54 and 126,002.64 is: 188,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,641.44 : 543,945.54 = 126,002.64 : x
  2. Step 2: Convert to fraction form
    362,641.44/543,945.54 = 126,002.64/x
  3. Step 3: Cross multiply
    362,641.44x = 543,945.54 × 126,002.64
  4. Step 4: Simplify right side
    362,641.44x = 68,538,574,056.23
  5. Step 5: Solve for x
    x = 68,538,574,056.23/362,641.44
  6. Step 6: Final answer
    x = 188,998.19

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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.