Finding the Fourth Proportional to 242,859.56, 335,147.64 and 135,436.37
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Solution
The fourth proportional to 242,859.56, 335,147.64 and 135,436.37 is: 186,902.99
Step by Step Solution
- Step 1: Write the proportion equation
242,859.56 : 335,147.64 = 135,436.37 : x - Step 2: Convert to fraction form
242,859.56/335,147.64 = 135,436.37/x - Step 3: Cross multiply
242,859.56x = 335,147.64 × 135,436.37 - Step 4: Simplify right side
242,859.56x = 45,391,178,099.93 - Step 5: Solve for x
x = 45,391,178,099.93/242,859.56 - Step 6: Final answer
x = 186,902.99
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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.