Finding the Fourth Proportional to 135,112.14, 202,678.56 and 46,364.94
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Solution
The fourth proportional to 135,112.14, 202,678.56 and 46,364.94 is: 69,550.96
Step by Step Solution
- Step 1: Write the proportion equation
135,112.14 : 202,678.56 = 46,364.94 : x - Step 2: Convert to fraction form
135,112.14/202,678.56 = 46,364.94/x - Step 3: Cross multiply
135,112.14x = 202,678.56 × 46,364.94 - Step 4: Simplify right side
135,112.14x = 9,397,179,273.69 - Step 5: Solve for x
x = 9,397,179,273.69/135,112.14 - Step 6: Final answer
x = 69,550.96
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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.