Home / 262,923.40-394,522.80-120,811.60

Finding the Fourth Proportional to 262,923.40, 394,522.80 and 120,811.60

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Solution

The fourth proportional to 262,923.40, 394,522.80 and 120,811.60 is: 181,280.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,923.40 : 394,522.80 = 120,811.60 : x
  2. Step 2: Convert to fraction form
    262,923.40/394,522.80 = 120,811.60/x
  3. Step 3: Cross multiply
    262,923.40x = 394,522.80 × 120,811.60
  4. Step 4: Simplify right side
    262,923.40x = 47,662,930,704.48
  5. Step 5: Solve for x
    x = 47,662,930,704.48/262,923.40
  6. Step 6: Final answer
    x = 181,280.67

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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.