Finding the Fourth Proportional to 311,582.08, 467,186.16 and 142,891.09
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Solution
The fourth proportional to 311,582.08, 467,186.16 and 142,891.09 is: 214,250.90
Step by Step Solution
- Step 1: Write the proportion equation
311,582.08 : 467,186.16 = 142,891.09 : x - Step 2: Convert to fraction form
311,582.08/467,186.16 = 142,891.09/x - Step 3: Cross multiply
311,582.08x = 467,186.16 × 142,891.09 - Step 4: Simplify right side
311,582.08x = 66,756,739,635.31 - Step 5: Solve for x
x = 66,756,739,635.31/311,582.08 - Step 6: Final answer
x = 214,250.90
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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.