Finding the Fourth Proportional to 134,896.70, 202,467.45 and 68,383.10
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Solution
The fourth proportional to 134,896.70, 202,467.45 and 68,383.10 is: 102,636.70
Step by Step Solution
- Step 1: Write the proportion equation
134,896.70 : 202,467.45 = 68,383.10 : x - Step 2: Convert to fraction form
134,896.70/202,467.45 = 68,383.10/x - Step 3: Cross multiply
134,896.70x = 202,467.45 × 68,383.10 - Step 4: Simplify right side
134,896.70x = 13,845,351,880.10 - Step 5: Solve for x
x = 13,845,351,880.10/134,896.70 - Step 6: Final answer
x = 102,636.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.