Finding the Fourth Proportional to 154,658.94, 231,922.80 and 54,844.26
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Solution
The fourth proportional to 154,658.94, 231,922.80 and 54,844.26 is: 82,243.12
Step by Step Solution
- Step 1: Write the proportion equation
154,658.94 : 231,922.80 = 54,844.26 : x - Step 2: Convert to fraction form
154,658.94/231,922.80 = 54,844.26/x - Step 3: Cross multiply
154,658.94x = 231,922.80 × 54,844.26 - Step 4: Simplify right side
154,658.94x = 12,719,634,343.13 - Step 5: Solve for x
x = 12,719,634,343.13/154,658.94 - Step 6: Final answer
x = 82,243.12
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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.