Home / 262,610.12-394,014.44-102,800.26

Finding the Fourth Proportional to 262,610.12, 394,014.44 and 102,800.26

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Solution

The fourth proportional to 262,610.12, 394,014.44 and 102,800.26 is: 154,239.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,610.12 : 394,014.44 = 102,800.26 : x
  2. Step 2: Convert to fraction form
    262,610.12/394,014.44 = 102,800.26/x
  3. Step 3: Cross multiply
    262,610.12x = 394,014.44 × 102,800.26
  4. Step 4: Simplify right side
    262,610.12x = 40,504,786,875.75
  5. Step 5: Solve for x
    x = 40,504,786,875.75/262,610.12
  6. Step 6: Final answer
    x = 154,239.25

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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.