Finding the Fourth Proportional to 207,639.25, 286,546.61 and 115,764.19
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Solution
The fourth proportional to 207,639.25, 286,546.61 and 115,764.19 is: 159,757.06
Step by Step Solution
- Step 1: Write the proportion equation
207,639.25 : 286,546.61 = 115,764.19 : x - Step 2: Convert to fraction form
207,639.25/286,546.61 = 115,764.19/x - Step 3: Cross multiply
207,639.25x = 286,546.61 × 115,764.19 - Step 4: Simplify right side
207,639.25x = 33,171,835,776.94 - Step 5: Solve for x
x = 33,171,835,776.94/207,639.25 - Step 6: Final answer
x = 159,757.06
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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.