Home / 394,298.69-591,448.23-109,977.75

Finding the Fourth Proportional to 394,298.69, 591,448.23 and 109,977.75

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Solution

The fourth proportional to 394,298.69, 591,448.23 and 109,977.75 is: 164,966.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,298.69 : 591,448.23 = 109,977.75 : x
  2. Step 2: Convert to fraction form
    394,298.69/591,448.23 = 109,977.75/x
  3. Step 3: Cross multiply
    394,298.69x = 591,448.23 × 109,977.75
  4. Step 4: Simplify right side
    394,298.69x = 65,046,145,576.88
  5. Step 5: Solve for x
    x = 65,046,145,576.88/394,298.69
  6. Step 6: Final answer
    x = 164,966.68

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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.