Finding the Fourth Proportional to 160,375.05, 221,317.83 and 88,755.09
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Solution
The fourth proportional to 160,375.05, 221,317.83 and 88,755.09 is: 122,482.17
Step by Step Solution
- Step 1: Write the proportion equation
160,375.05 : 221,317.83 = 88,755.09 : x - Step 2: Convert to fraction form
160,375.05/221,317.83 = 88,755.09/x - Step 3: Cross multiply
160,375.05x = 221,317.83 × 88,755.09 - Step 4: Simplify right side
160,375.05x = 19,643,083,920.25 - Step 5: Solve for x
x = 19,643,083,920.25/160,375.05 - Step 6: Final answer
x = 122,482.17
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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.