Home / 263,130.71-394,538.04-120,797.91

Finding the Fourth Proportional to 263,130.71, 394,538.04 and 120,797.91

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Solution

The fourth proportional to 263,130.71, 394,538.04 and 120,797.91 is: 181,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,130.71 : 394,538.04 = 120,797.91 : x
  2. Step 2: Convert to fraction form
    263,130.71/394,538.04 = 120,797.91/x
  3. Step 3: Cross multiply
    263,130.71x = 394,538.04 × 120,797.91
  4. Step 4: Simplify right side
    263,130.71x = 47,659,370,647.50
  5. Step 5: Solve for x
    x = 47,659,370,647.50/263,130.71
  6. Step 6: Final answer
    x = 181,124.32

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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.