Finding the Fourth Proportional to 205,771.72, 283,869.07 and 133,198.02
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Solution
The fourth proportional to 205,771.72, 283,869.07 and 133,198.02 is: 183,751.19
Step by Step Solution
- Step 1: Write the proportion equation
205,771.72 : 283,869.07 = 133,198.02 : x - Step 2: Convert to fraction form
205,771.72/283,869.07 = 133,198.02/x - Step 3: Cross multiply
205,771.72x = 283,869.07 × 133,198.02 - Step 4: Simplify right side
205,771.72x = 37,810,798,063.24 - Step 5: Solve for x
x = 37,810,798,063.24/205,771.72 - Step 6: Final answer
x = 183,751.19
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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.