Finding the Fourth Proportional to 171,836.36, 257,943.08 and 136,524.66
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Solution
The fourth proportional to 171,836.36, 257,943.08 and 136,524.66 is: 204,936.78
Step by Step Solution
- Step 1: Write the proportion equation
171,836.36 : 257,943.08 = 136,524.66 : x - Step 2: Convert to fraction form
171,836.36/257,943.08 = 136,524.66/x - Step 3: Cross multiply
171,836.36x = 257,943.08 × 136,524.66 - Step 4: Simplify right side
171,836.36x = 35,215,590,006.64 - Step 5: Solve for x
x = 35,215,590,006.64/171,836.36 - Step 6: Final answer
x = 204,936.78
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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.