Finding the Fourth Proportional to 207,682.60, 286,603.11 and 117,039.97
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Solution
The fourth proportional to 207,682.60, 286,603.11 and 117,039.97 is: 161,515.79
Step by Step Solution
- Step 1: Write the proportion equation
207,682.60 : 286,603.11 = 117,039.97 : x - Step 2: Convert to fraction form
207,682.60/286,603.11 = 117,039.97/x - Step 3: Cross multiply
207,682.60x = 286,603.11 × 117,039.97 - Step 4: Simplify right side
207,682.60x = 33,544,019,396.31 - Step 5: Solve for x
x = 33,544,019,396.31/207,682.60 - Step 6: Final answer
x = 161,515.79
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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.