Finding the Fourth Proportional to 208,791.14, 313,187.31 and 88,817.18
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Solution
The fourth proportional to 208,791.14, 313,187.31 and 88,817.18 is: 133,226.02
Step by Step Solution
- Step 1: Write the proportion equation
208,791.14 : 313,187.31 = 88,817.18 : x - Step 2: Convert to fraction form
208,791.14/313,187.31 = 88,817.18/x - Step 3: Cross multiply
208,791.14x = 313,187.31 × 88,817.18 - Step 4: Simplify right side
208,791.14x = 27,816,412,120.05 - Step 5: Solve for x
x = 27,816,412,120.05/208,791.14 - Step 6: Final answer
x = 133,226.02
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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.