Finding the Fourth Proportional to 279,198.12, 385,087.19 and 177,135.69
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Solution
The fourth proportional to 279,198.12, 385,087.19 and 177,135.69 is: 244,316.42
Step by Step Solution
- Step 1: Write the proportion equation
279,198.12 : 385,087.19 = 177,135.69 : x - Step 2: Convert to fraction form
279,198.12/385,087.19 = 177,135.69/x - Step 3: Cross multiply
279,198.12x = 385,087.19 × 177,135.69 - Step 4: Simplify right side
279,198.12x = 68,212,684,225.13 - Step 5: Solve for x
x = 68,212,684,225.13/279,198.12 - Step 6: Final answer
x = 244,316.42
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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.