Home / 263,529.18-394,797.78-130,253.40

Finding the Fourth Proportional to 263,529.18, 394,797.78 and 130,253.40

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Solution

The fourth proportional to 263,529.18, 394,797.78 and 130,253.40 is: 195,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,529.18 : 394,797.78 = 130,253.40 : x
  2. Step 2: Convert to fraction form
    263,529.18/394,797.78 = 130,253.40/x
  3. Step 3: Cross multiply
    263,529.18x = 394,797.78 × 130,253.40
  4. Step 4: Simplify right side
    263,529.18x = 51,423,753,157.45
  5. Step 5: Solve for x
    x = 51,423,753,157.45/263,529.18
  6. Step 6: Final answer
    x = 195,134.95

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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.