Finding the Fourth Proportional to 151,063.05, 208,469.40 and 83,082.99
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Solution
The fourth proportional to 151,063.05, 208,469.40 and 83,082.99 is: 114,655.84
Step by Step Solution
- Step 1: Write the proportion equation
151,063.05 : 208,469.40 = 83,082.99 : x - Step 2: Convert to fraction form
151,063.05/208,469.40 = 83,082.99/x - Step 3: Cross multiply
151,063.05x = 208,469.40 × 83,082.99 - Step 4: Simplify right side
151,063.05x = 17,320,261,075.51 - Step 5: Solve for x
x = 17,320,261,075.51/151,063.05 - Step 6: Final answer
x = 114,655.84
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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.