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Finding the Fourth Proportional to 362,212.20, 542,880.90 and 184,627.80

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Solution

The fourth proportional to 362,212.20, 542,880.90 and 184,627.80 is: 276,718.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,212.20 : 542,880.90 = 184,627.80 : x
  2. Step 2: Convert to fraction form
    362,212.20/542,880.90 = 184,627.80/x
  3. Step 3: Cross multiply
    362,212.20x = 542,880.90 × 184,627.80
  4. Step 4: Simplify right side
    362,212.20x = 100,230,906,229.02
  5. Step 5: Solve for x
    x = 100,230,906,229.02/362,212.20
  6. Step 6: Final answer
    x = 276,718.75

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1.5x scale

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.