Finding the Fourth Proportional to 322,855.36, 484,121.60 and 120,382.88
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Solution
The fourth proportional to 322,855.36, 484,121.60 and 120,382.88 is: 180,514.12
Step by Step Solution
- Step 1: Write the proportion equation
322,855.36 : 484,121.60 = 120,382.88 : x - Step 2: Convert to fraction form
322,855.36/484,121.60 = 120,382.88/x - Step 3: Cross multiply
322,855.36x = 484,121.60 × 120,382.88 - Step 4: Simplify right side
322,855.36x = 58,279,952,478.21 - Step 5: Solve for x
x = 58,279,952,478.21/322,855.36 - Step 6: Final answer
x = 180,514.12
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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.