Home / 263,265.69-394,947.60-105,506.45

Finding the Fourth Proportional to 263,265.69, 394,947.60 and 105,506.45

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Solution

The fourth proportional to 263,265.69, 394,947.60 and 105,506.45 is: 158,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,265.69 : 394,947.60 = 105,506.45 : x
  2. Step 2: Convert to fraction form
    263,265.69/394,947.60 = 105,506.45/x
  3. Step 3: Cross multiply
    263,265.69x = 394,947.60 × 105,506.45
  4. Step 4: Simplify right side
    263,265.69x = 41,669,518,322.69
  5. Step 5: Solve for x
    x = 41,669,518,322.69/263,265.69
  6. Step 6: Final answer
    x = 158,279.33

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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.