Finding the Fourth Proportional to 188,891.19, 260,676.73 and 117,310.68
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Solution
The fourth proportional to 188,891.19, 260,676.73 and 117,310.68 is: 161,893.02
Step by Step Solution
- Step 1: Write the proportion equation
188,891.19 : 260,676.73 = 117,310.68 : x - Step 2: Convert to fraction form
188,891.19/260,676.73 = 117,310.68/x - Step 3: Cross multiply
188,891.19x = 260,676.73 × 117,310.68 - Step 4: Simplify right side
188,891.19x = 30,580,164,603.11 - Step 5: Solve for x
x = 30,580,164,603.11/188,891.19 - Step 6: Final answer
x = 161,893.02
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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.