Finding the Fourth Proportional to 200,586.57, 276,850.62 and 115,692.09
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Solution
The fourth proportional to 200,586.57, 276,850.62 and 115,692.09 is: 159,678.82
Step by Step Solution
- Step 1: Write the proportion equation
200,586.57 : 276,850.62 = 115,692.09 : x - Step 2: Convert to fraction form
200,586.57/276,850.62 = 115,692.09/x - Step 3: Cross multiply
200,586.57x = 276,850.62 × 115,692.09 - Step 4: Simplify right side
200,586.57x = 32,029,426,845.60 - Step 5: Solve for x
x = 32,029,426,845.60/200,586.57 - Step 6: Final answer
x = 159,678.82
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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.