Finding the Fourth Proportional to 135,309.06, 202,939.80 and 41,815.62
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Solution
The fourth proportional to 135,309.06, 202,939.80 and 41,815.62 is: 62,716.08
Step by Step Solution
- Step 1: Write the proportion equation
135,309.06 : 202,939.80 = 41,815.62 : x - Step 2: Convert to fraction form
135,309.06/202,939.80 = 41,815.62/x - Step 3: Cross multiply
135,309.06x = 202,939.80 × 41,815.62 - Step 4: Simplify right side
135,309.06x = 8,486,053,559.68 - Step 5: Solve for x
x = 8,486,053,559.68/135,309.06 - Step 6: Final answer
x = 62,716.08
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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.