Finding the Fourth Proportional to 207,758.70, 286,732.26 and 117,132.12
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Solution
The fourth proportional to 207,758.70, 286,732.26 and 117,132.12 is: 161,656.56
Step by Step Solution
- Step 1: Write the proportion equation
207,758.70 : 286,732.26 = 117,132.12 : x - Step 2: Convert to fraction form
207,758.70/286,732.26 = 117,132.12/x - Step 3: Cross multiply
207,758.70x = 286,732.26 × 117,132.12 - Step 4: Simplify right side
207,758.70x = 33,585,557,486.19 - Step 5: Solve for x
x = 33,585,557,486.19/207,758.70 - Step 6: Final answer
x = 161,656.56
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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.