Finding the Fourth Proportional to 300,474.78, 414,936.18 and 193,230.98
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Solution
The fourth proportional to 300,474.78, 414,936.18 and 193,230.98 is: 266,839.45
Step by Step Solution
- Step 1: Write the proportion equation
300,474.78 : 414,936.18 = 193,230.98 : x - Step 2: Convert to fraction form
300,474.78/414,936.18 = 193,230.98/x - Step 3: Cross multiply
300,474.78x = 414,936.18 × 193,230.98 - Step 4: Simplify right side
300,474.78x = 80,178,525,736.20 - Step 5: Solve for x
x = 80,178,525,736.20/300,474.78 - Step 6: Final answer
x = 266,839.45
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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.