Finding the Fourth Proportional to 188,879.88, 283,414.68 and 117,784.08
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Solution
The fourth proportional to 188,879.88, 283,414.68 and 117,784.08 is: 176,735.27
Step by Step Solution
- Step 1: Write the proportion equation
188,879.88 : 283,414.68 = 117,784.08 : x - Step 2: Convert to fraction form
188,879.88/283,414.68 = 117,784.08/x - Step 3: Cross multiply
188,879.88x = 283,414.68 × 117,784.08 - Step 4: Simplify right side
188,879.88x = 33,381,737,342.29 - Step 5: Solve for x
x = 33,381,737,342.29/188,879.88 - Step 6: Final answer
x = 176,735.27
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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.