Home / 262,242.20-393,333.06-72,716.60

Finding the Fourth Proportional to 262,242.20, 393,333.06 and 72,716.60

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Solution

The fourth proportional to 262,242.20, 393,333.06 and 72,716.60 is: 109,066.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,242.20 : 393,333.06 = 72,716.60 : x
  2. Step 2: Convert to fraction form
    262,242.20/393,333.06 = 72,716.60/x
  3. Step 3: Cross multiply
    262,242.20x = 393,333.06 × 72,716.60
  4. Step 4: Simplify right side
    262,242.20x = 28,601,842,790.80
  5. Step 5: Solve for x
    x = 28,601,842,790.80/262,242.20
  6. Step 6: Final answer
    x = 109,066.51

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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.