Finding the Fourth Proportional to 200,692.68, 276,953.40 and 115,807.92
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Solution
The fourth proportional to 200,692.68, 276,953.40 and 115,807.92 is: 159,813.49
Step by Step Solution
- Step 1: Write the proportion equation
200,692.68 : 276,953.40 = 115,807.92 : x - Step 2: Convert to fraction form
200,692.68/276,953.40 = 115,807.92/x - Step 3: Cross multiply
200,692.68x = 276,953.40 × 115,807.92 - Step 4: Simplify right side
200,692.68x = 32,073,397,190.93 - Step 5: Solve for x
x = 32,073,397,190.93/200,692.68 - Step 6: Final answer
x = 159,813.49
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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.