Finding the Fourth Proportional to 132,791.36, 183,249.74 and 72,362.44
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Solution
The fourth proportional to 132,791.36, 183,249.74 and 72,362.44 is: 99,858.89
Step by Step Solution
- Step 1: Write the proportion equation
132,791.36 : 183,249.74 = 72,362.44 : x - Step 2: Convert to fraction form
132,791.36/183,249.74 = 72,362.44/x - Step 3: Cross multiply
132,791.36x = 183,249.74 × 72,362.44 - Step 4: Simplify right side
132,791.36x = 13,260,398,315.77 - Step 5: Solve for x
x = 13,260,398,315.77/132,791.36 - Step 6: Final answer
x = 99,858.89
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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.