Home / 262,234.20-393,321.06-72,708.60

Finding the Fourth Proportional to 262,234.20, 393,321.06 and 72,708.60

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Solution

The fourth proportional to 262,234.20, 393,321.06 and 72,708.60 is: 109,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,234.20 : 393,321.06 = 72,708.60 : x
  2. Step 2: Convert to fraction form
    262,234.20/393,321.06 = 72,708.60/x
  3. Step 3: Cross multiply
    262,234.20x = 393,321.06 × 72,708.60
  4. Step 4: Simplify right side
    262,234.20x = 28,597,823,623.12
  5. Step 5: Solve for x
    x = 28,597,823,623.12/262,234.20
  6. Step 6: Final answer
    x = 109,054.52

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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.