Finding the Fourth Proportional to 165,107.86, 227,872.91 and 92,515.66
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Solution
The fourth proportional to 165,107.86, 227,872.91 and 92,515.66 is: 127,685.09
Step by Step Solution
- Step 1: Write the proportion equation
165,107.86 : 227,872.91 = 92,515.66 : x - Step 2: Convert to fraction form
165,107.86/227,872.91 = 92,515.66/x - Step 3: Cross multiply
165,107.86x = 227,872.91 × 92,515.66 - Step 4: Simplify right side
165,107.86x = 21,081,812,326.38 - Step 5: Solve for x
x = 21,081,812,326.38/165,107.86 - Step 6: Final answer
x = 127,685.09
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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.