Home / 276,629.60-414,847.20-126,941.60

Finding the Fourth Proportional to 276,629.60, 414,847.20 and 126,941.60

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Solution

The fourth proportional to 276,629.60, 414,847.20 and 126,941.60 is: 190,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,629.60 : 414,847.20 = 126,941.60 : x
  2. Step 2: Convert to fraction form
    276,629.60/414,847.20 = 126,941.60/x
  3. Step 3: Cross multiply
    276,629.60x = 414,847.20 × 126,941.60
  4. Step 4: Simplify right side
    276,629.60x = 52,661,367,323.52
  5. Step 5: Solve for x
    x = 52,661,367,323.52/276,629.60
  6. Step 6: Final answer
    x = 190,367.80

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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.