Finding the Fourth Proportional to 115,855.91, 173,791.76 and 36,976.08
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Solution
The fourth proportional to 115,855.91, 173,791.76 and 36,976.08 is: 55,466.64
Step by Step Solution
- Step 1: Write the proportion equation
115,855.91 : 173,791.76 = 36,976.08 : x - Step 2: Convert to fraction form
115,855.91/173,791.76 = 36,976.08/x - Step 3: Cross multiply
115,855.91x = 173,791.76 × 36,976.08 - Step 4: Simplify right side
115,855.91x = 6,426,137,836.22 - Step 5: Solve for x
x = 6,426,137,836.22/115,855.91 - Step 6: Final answer
x = 55,466.64
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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.