Finding the Fourth Proportional to 263,964.74, 395,947.09 and 121,767.94
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Solution
The fourth proportional to 263,964.74, 395,947.09 and 121,767.94 is: 182,651.90
Step by Step Solution
- Step 1: Write the proportion equation
263,964.74 : 395,947.09 = 121,767.94 : x - Step 2: Convert to fraction form
263,964.74/395,947.09 = 121,767.94/x - Step 3: Cross multiply
263,964.74x = 395,947.09 × 121,767.94 - Step 4: Simplify right side
263,964.74x = 48,213,661,374.31 - Step 5: Solve for x
x = 48,213,661,374.31/263,964.74 - Step 6: Final answer
x = 182,651.90
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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.