Finding the Fourth Proportional to 311,310.18, 429,578.91 and 183,961.44
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Solution
The fourth proportional to 311,310.18, 429,578.91 and 183,961.44 is: 253,849.57
Step by Step Solution
- Step 1: Write the proportion equation
311,310.18 : 429,578.91 = 183,961.44 : x - Step 2: Convert to fraction form
311,310.18/429,578.91 = 183,961.44/x - Step 3: Cross multiply
311,310.18x = 429,578.91 × 183,961.44 - Step 4: Simplify right side
311,310.18x = 79,025,954,877.23 - Step 5: Solve for x
x = 79,025,954,877.23/311,310.18 - Step 6: Final answer
x = 253,849.57
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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.