Finding the Fourth Proportional to 311,738.14, 466,864.94 and 199,069.37
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Solution
The fourth proportional to 311,738.14, 466,864.94 and 199,069.37 is: 298,130.06
Step by Step Solution
- Step 1: Write the proportion equation
311,738.14 : 466,864.94 = 199,069.37 : x - Step 2: Convert to fraction form
311,738.14/466,864.94 = 199,069.37/x - Step 3: Cross multiply
311,738.14x = 466,864.94 × 199,069.37 - Step 4: Simplify right side
311,738.14x = 92,938,509,480.89 - Step 5: Solve for x
x = 92,938,509,480.89/311,738.14 - Step 6: Final answer
x = 298,130.06
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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.