Finding the Fourth Proportional to 80,203.21, 110,692.09 and 46,205.08
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Solution
The fourth proportional to 80,203.21, 110,692.09 and 46,205.08 is: 63,769.73
Step by Step Solution
- Step 1: Write the proportion equation
80,203.21 : 110,692.09 = 46,205.08 : x - Step 2: Convert to fraction form
80,203.21/110,692.09 = 46,205.08/x - Step 3: Cross multiply
80,203.21x = 110,692.09 × 46,205.08 - Step 4: Simplify right side
80,203.21x = 5,114,536,873.82 - Step 5: Solve for x
x = 5,114,536,873.82/80,203.21 - Step 6: Final answer
x = 63,769.73
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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.