Finding the Fourth Proportional to 263,115.95, 394,698.84 and 73,576.31
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Solution
The fourth proportional to 263,115.95, 394,698.84 and 73,576.31 is: 110,371.43
Step by Step Solution
- Step 1: Write the proportion equation
263,115.95 : 394,698.84 = 73,576.31 : x - Step 2: Convert to fraction form
263,115.95/394,698.84 = 73,576.31/x - Step 3: Cross multiply
263,115.95x = 394,698.84 × 73,576.31 - Step 4: Simplify right side
263,115.95x = 29,040,484,208.48 - Step 5: Solve for x
x = 29,040,484,208.48/263,115.95 - Step 6: Final answer
x = 110,371.43
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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.