Finding the Fourth Proportional to 252,195.24, 378,348.30 and 74,716.08
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Solution
The fourth proportional to 252,195.24, 378,348.30 and 74,716.08 is: 112,090.54
Step by Step Solution
- Step 1: Write the proportion equation
252,195.24 : 378,348.30 = 74,716.08 : x - Step 2: Convert to fraction form
252,195.24/378,348.30 = 74,716.08/x - Step 3: Cross multiply
252,195.24x = 378,348.30 × 74,716.08 - Step 4: Simplify right side
252,195.24x = 28,268,701,850.66 - Step 5: Solve for x
x = 28,268,701,850.66/252,195.24 - Step 6: Final answer
x = 112,090.54
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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.