Finding the Fourth Proportional to 146,692.10, 202,435.76 and 83,042.21
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Solution
The fourth proportional to 146,692.10, 202,435.76 and 83,042.21 is: 114,598.62
Step by Step Solution
- Step 1: Write the proportion equation
146,692.10 : 202,435.76 = 83,042.21 : x - Step 2: Convert to fraction form
146,692.10/202,435.76 = 83,042.21/x - Step 3: Cross multiply
146,692.10x = 202,435.76 × 83,042.21 - Step 4: Simplify right side
146,692.10x = 16,810,711,466.04 - Step 5: Solve for x
x = 16,810,711,466.04/146,692.10 - Step 6: Final answer
x = 114,598.62
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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.