Finding the Fourth Proportional to 150,791.49, 225,842.64 and 71,961.08
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Solution
The fourth proportional to 150,791.49, 225,842.64 and 71,961.08 is: 107,777.17
Step by Step Solution
- Step 1: Write the proportion equation
150,791.49 : 225,842.64 = 71,961.08 : x - Step 2: Convert to fraction form
150,791.49/225,842.64 = 71,961.08/x - Step 3: Cross multiply
150,791.49x = 225,842.64 × 71,961.08 - Step 4: Simplify right side
150,791.49x = 16,251,879,732.29 - Step 5: Solve for x
x = 16,251,879,732.29/150,791.49 - Step 6: Final answer
x = 107,777.17
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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.