Home / 263,128.36-394,741.22-83,259.06

Finding the Fourth Proportional to 263,128.36, 394,741.22 and 83,259.06

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Solution

The fourth proportional to 263,128.36, 394,741.22 and 83,259.06 is: 124,903.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,128.36 : 394,741.22 = 83,259.06 : x
  2. Step 2: Convert to fraction form
    263,128.36/394,741.22 = 83,259.06/x
  3. Step 3: Cross multiply
    263,128.36x = 394,741.22 × 83,259.06
  4. Step 4: Simplify right side
    263,128.36x = 32,865,782,920.45
  5. Step 5: Solve for x
    x = 32,865,782,920.45/263,128.36
  6. Step 6: Final answer
    x = 124,903.99

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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.