Finding the Fourth Proportional to 116,486.36, 174,728.08 and 82,150.68
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Solution
The fourth proportional to 116,486.36, 174,728.08 and 82,150.68 is: 123,224.99
Step by Step Solution
- Step 1: Write the proportion equation
116,486.36 : 174,728.08 = 82,150.68 : x - Step 2: Convert to fraction form
116,486.36/174,728.08 = 82,150.68/x - Step 3: Cross multiply
116,486.36x = 174,728.08 × 82,150.68 - Step 4: Simplify right side
116,486.36x = 14,354,030,587.09 - Step 5: Solve for x
x = 14,354,030,587.09/116,486.36 - Step 6: Final answer
x = 123,224.99
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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.