Finding the Fourth Proportional to 98,346.44, 135,717.84 and 53,634.44
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Solution
The fourth proportional to 98,346.44, 135,717.84 and 53,634.44 is: 74,015.39
Step by Step Solution
- Step 1: Write the proportion equation
98,346.44 : 135,717.84 = 53,634.44 : x - Step 2: Convert to fraction form
98,346.44/135,717.84 = 53,634.44/x - Step 3: Cross multiply
98,346.44x = 135,717.84 × 53,634.44 - Step 4: Simplify right side
98,346.44x = 7,279,150,346.41 - Step 5: Solve for x
x = 7,279,150,346.41/98,346.44 - Step 6: Final answer
x = 74,015.39
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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.