Finding the Fourth Proportional to 117,578.97, 176,415.21 and 37,629.29
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Solution
The fourth proportional to 117,578.97, 176,415.21 and 37,629.29 is: 56,458.90
Step by Step Solution
- Step 1: Write the proportion equation
117,578.97 : 176,415.21 = 37,629.29 : x - Step 2: Convert to fraction form
117,578.97/176,415.21 = 37,629.29/x - Step 3: Cross multiply
117,578.97x = 176,415.21 × 37,629.29 - Step 4: Simplify right side
117,578.97x = 6,638,379,538.54 - Step 5: Solve for x
x = 6,638,379,538.54/117,578.97 - Step 6: Final answer
x = 56,458.90
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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.