Finding the Fourth Proportional to 239,811.99, 330,940.60 and 132,382.09
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Solution
The fourth proportional to 239,811.99, 330,940.60 and 132,382.09 is: 182,687.31
Step by Step Solution
- Step 1: Write the proportion equation
239,811.99 : 330,940.60 = 132,382.09 : x - Step 2: Convert to fraction form
239,811.99/330,940.60 = 132,382.09/x - Step 3: Cross multiply
239,811.99x = 330,940.60 × 132,382.09 - Step 4: Simplify right side
239,811.99x = 43,810,608,293.85 - Step 5: Solve for x
x = 43,810,608,293.85/239,811.99 - Step 6: Final answer
x = 182,687.31
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.