Finding the Fourth Proportional to 146,520.48, 202,184.64 and 82,858.08
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Solution
The fourth proportional to 146,520.48, 202,184.64 and 82,858.08 is: 114,336.45
Step by Step Solution
- Step 1: Write the proportion equation
146,520.48 : 202,184.64 = 82,858.08 : x - Step 2: Convert to fraction form
146,520.48/202,184.64 = 82,858.08/x - Step 3: Cross multiply
146,520.48x = 202,184.64 × 82,858.08 - Step 4: Simplify right side
146,520.48x = 16,752,631,075.89 - Step 5: Solve for x
x = 16,752,631,075.89/146,520.48 - Step 6: Final answer
x = 114,336.45
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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.