Home / 262,795.15-394,218.53-70,667.20

Finding the Fourth Proportional to 262,795.15, 394,218.53 and 70,667.20

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Solution

The fourth proportional to 262,795.15, 394,218.53 and 70,667.20 is: 106,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,795.15 : 394,218.53 = 70,667.20 : x
  2. Step 2: Convert to fraction form
    262,795.15/394,218.53 = 70,667.20/x
  3. Step 3: Cross multiply
    262,795.15x = 394,218.53 × 70,667.20
  4. Step 4: Simplify right side
    262,795.15x = 27,858,317,378.79
  5. Step 5: Solve for x
    x = 27,858,317,378.79/262,795.15
  6. Step 6: Final answer
    x = 106,007.73

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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.