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Finding the Fourth Proportional to 192,495.94, 288,550.05 and 80,238.30

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Solution

The fourth proportional to 192,495.94, 288,550.05 and 80,238.30 is: 120,276.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,495.94 : 288,550.05 = 80,238.30 : x
  2. Step 2: Convert to fraction form
    192,495.94/288,550.05 = 80,238.30/x
  3. Step 3: Cross multiply
    192,495.94x = 288,550.05 × 80,238.30
  4. Step 4: Simplify right side
    192,495.94x = 23,152,764,093.96
  5. Step 5: Solve for x
    x = 23,152,764,093.96/192,495.94
  6. Step 6: Final answer
    x = 120,276.63

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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.