Finding the Fourth Proportional to 311,802.80, 468,049.80 and 193,607.60
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Solution
The fourth proportional to 311,802.80, 468,049.80 and 193,607.60 is: 290,625.99
Step by Step Solution
- Step 1: Write the proportion equation
311,802.80 : 468,049.80 = 193,607.60 : x - Step 2: Convert to fraction form
311,802.80/468,049.80 = 193,607.60/x - Step 3: Cross multiply
311,802.80x = 468,049.80 × 193,607.60 - Step 4: Simplify right side
311,802.80x = 90,617,998,458.48 - Step 5: Solve for x
x = 90,617,998,458.48/311,802.80 - Step 6: Final answer
x = 290,625.99
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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.