Finding the Fourth Proportional to 90,634.14, 135,965.03 and 46,236.68
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Solution
The fourth proportional to 90,634.14, 135,965.03 and 46,236.68 is: 69,362.07
Step by Step Solution
- Step 1: Write the proportion equation
90,634.14 : 135,965.03 = 46,236.68 : x - Step 2: Convert to fraction form
90,634.14/135,965.03 = 46,236.68/x - Step 3: Cross multiply
90,634.14x = 135,965.03 × 46,236.68 - Step 4: Simplify right side
90,634.14x = 6,286,571,583.30 - Step 5: Solve for x
x = 6,286,571,583.30/90,634.14 - Step 6: Final answer
x = 69,362.07
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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.