Home / 263,145.37-394,766.75-83,276.07

Finding the Fourth Proportional to 263,145.37, 394,766.75 and 83,276.07

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Solution

The fourth proportional to 263,145.37, 394,766.75 and 83,276.07 is: 124,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,145.37 : 394,766.75 = 83,276.07 : x
  2. Step 2: Convert to fraction form
    263,145.37/394,766.75 = 83,276.07/x
  3. Step 3: Cross multiply
    263,145.37x = 394,766.75 × 83,276.07
  4. Step 4: Simplify right side
    263,145.37x = 32,874,623,818.96
  5. Step 5: Solve for x
    x = 32,874,623,818.96/263,145.37
  6. Step 6: Final answer
    x = 124,929.52

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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.