Finding the Fourth Proportional to 192,917.66, 266,137.74 and 124,957.31
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Solution
The fourth proportional to 192,917.66, 266,137.74 and 124,957.31 is: 172,383.68
Step by Step Solution
- Step 1: Write the proportion equation
192,917.66 : 266,137.74 = 124,957.31 : x - Step 2: Convert to fraction form
192,917.66/266,137.74 = 124,957.31/x - Step 3: Cross multiply
192,917.66x = 266,137.74 × 124,957.31 - Step 4: Simplify right side
192,917.66x = 33,255,856,745.22 - Step 5: Solve for x
x = 33,255,856,745.22/192,917.66 - Step 6: Final answer
x = 172,383.68
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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.