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Finding the Fourth Proportional to 362,406.20, 543,695.70 and 184,940.60

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Solution

The fourth proportional to 362,406.20, 543,695.70 and 184,940.60 is: 277,454.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,406.20 : 543,695.70 = 184,940.60 : x
  2. Step 2: Convert to fraction form
    362,406.20/543,695.70 = 184,940.60/x
  3. Step 3: Cross multiply
    362,406.20x = 543,695.70 × 184,940.60
  4. Step 4: Simplify right side
    362,406.20x = 100,551,408,975.42
  5. Step 5: Solve for x
    x = 100,551,408,975.42/362,406.20
  6. Step 6: Final answer
    x = 277,454.99

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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.