Finding the Fourth Proportional to 207,960.05, 286,998.16 and 117,282.93
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Solution
The fourth proportional to 207,960.05, 286,998.16 and 117,282.93 is: 161,857.94
Step by Step Solution
- Step 1: Write the proportion equation
207,960.05 : 286,998.16 = 117,282.93 : x - Step 2: Convert to fraction form
207,960.05/286,998.16 = 117,282.93/x - Step 3: Cross multiply
207,960.05x = 286,998.16 × 117,282.93 - Step 4: Simplify right side
207,960.05x = 33,659,986,552.16 - Step 5: Solve for x
x = 33,659,986,552.16/207,960.05 - Step 6: Final answer
x = 161,857.94
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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.