Finding the Fourth Proportional to 262,872.69, 394,589.71 and 113,187.09
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Solution
The fourth proportional to 262,872.69, 394,589.71 and 113,187.09 is: 169,901.48
Step by Step Solution
- Step 1: Write the proportion equation
262,872.69 : 394,589.71 = 113,187.09 : x - Step 2: Convert to fraction form
262,872.69/394,589.71 = 113,187.09/x - Step 3: Cross multiply
262,872.69x = 394,589.71 × 113,187.09 - Step 4: Simplify right side
262,872.69x = 44,662,459,045.90 - Step 5: Solve for x
x = 44,662,459,045.90/262,872.69 - Step 6: Final answer
x = 169,901.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.