Finding the Fourth Proportional to 168,268.39, 252,395.60 and 68,424.75
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Solution
The fourth proportional to 168,268.39, 252,395.60 and 68,424.75 is: 102,634.28
Step by Step Solution
- Step 1: Write the proportion equation
168,268.39 : 252,395.60 = 68,424.75 : x - Step 2: Convert to fraction form
168,268.39/252,395.60 = 68,424.75/x - Step 3: Cross multiply
168,268.39x = 252,395.60 × 68,424.75 - Step 4: Simplify right side
168,268.39x = 17,270,105,488.98 - Step 5: Solve for x
x = 17,270,105,488.98/168,268.39 - Step 6: Final answer
x = 102,634.28
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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.