Home / 393,024-589,660.61-140,299.07

Finding the Fourth Proportional to 393,024, 589,660.61 and 140,299.07

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Solution

The fourth proportional to 393,024, 589,660.61 and 140,299.07 is: 210,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,024 : 589,660.61 = 140,299.07 : x
  2. Step 2: Convert to fraction form
    393,024/589,660.61 = 140,299.07/x
  3. Step 3: Cross multiply
    393,024x = 589,660.61 × 140,299.07
  4. Step 4: Simplify right side
    393,024x = 82,728,835,198.63
  5. Step 5: Solve for x
    x = 82,728,835,198.63/393,024
  6. Step 6: Final answer
    x = 210,493.09

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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.