Finding the Fourth Proportional to 196,294.20, 270,795.42 and 115,666.68
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Solution
The fourth proportional to 196,294.20, 270,795.42 and 115,666.68 is: 159,566.65
Step by Step Solution
- Step 1: Write the proportion equation
196,294.20 : 270,795.42 = 115,666.68 : x - Step 2: Convert to fraction form
196,294.20/270,795.42 = 115,666.68/x - Step 3: Cross multiply
196,294.20x = 270,795.42 × 115,666.68 - Step 4: Simplify right side
196,294.20x = 31,322,007,190.61 - Step 5: Solve for x
x = 31,322,007,190.61/196,294.20 - Step 6: Final answer
x = 159,566.65
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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.