Finding the Fourth Proportional to 345,817.09, 477,226.63 and 192,855.44
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Solution
The fourth proportional to 345,817.09, 477,226.63 and 192,855.44 is: 266,139.98
Step by Step Solution
- Step 1: Write the proportion equation
345,817.09 : 477,226.63 = 192,855.44 : x - Step 2: Convert to fraction form
345,817.09/477,226.63 = 192,855.44/x - Step 3: Cross multiply
345,817.09x = 477,226.63 × 192,855.44 - Step 4: Simplify right side
345,817.09x = 92,035,751,708.37 - Step 5: Solve for x
x = 92,035,751,708.37/345,817.09 - Step 6: Final answer
x = 266,139.98
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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.