Finding the Fourth Proportional to 171,198.17, 236,329.14 and 102,311.94
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Solution
The fourth proportional to 171,198.17, 236,329.14 and 102,311.94 is: 141,235.69
Step by Step Solution
- Step 1: Write the proportion equation
171,198.17 : 236,329.14 = 102,311.94 : x - Step 2: Convert to fraction form
171,198.17/236,329.14 = 102,311.94/x - Step 3: Cross multiply
171,198.17x = 236,329.14 × 102,311.94 - Step 4: Simplify right side
171,198.17x = 24,179,292,067.81 - Step 5: Solve for x
x = 24,179,292,067.81/171,198.17 - Step 6: Final answer
x = 141,235.69
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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.