Finding the Fourth Proportional to 145,846.44, 201,268.09 and 82,186.52
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Solution
The fourth proportional to 145,846.44, 201,268.09 and 82,186.52 is: 113,417.39
Step by Step Solution
- Step 1: Write the proportion equation
145,846.44 : 201,268.09 = 82,186.52 : x - Step 2: Convert to fraction form
145,846.44/201,268.09 = 82,186.52/x - Step 3: Cross multiply
145,846.44x = 201,268.09 × 82,186.52 - Step 4: Simplify right side
145,846.44x = 16,541,522,486.87 - Step 5: Solve for x
x = 16,541,522,486.87/145,846.44 - Step 6: Final answer
x = 113,417.39
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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.