Finding the Fourth Proportional to 160,722.06, 221,791.62 and 88,123.44
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Solution
The fourth proportional to 160,722.06, 221,791.62 and 88,123.44 is: 121,607.70
Step by Step Solution
- Step 1: Write the proportion equation
160,722.06 : 221,791.62 = 88,123.44 : x - Step 2: Convert to fraction form
160,722.06/221,791.62 = 88,123.44/x - Step 3: Cross multiply
160,722.06x = 221,791.62 × 88,123.44 - Step 4: Simplify right side
160,722.06x = 19,545,040,517.57 - Step 5: Solve for x
x = 19,545,040,517.57/160,722.06 - Step 6: Final answer
x = 121,607.70
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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.