Finding the Fourth Proportional to 98,163.24, 147,268.38 and 31,609.62
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Solution
The fourth proportional to 98,163.24, 147,268.38 and 31,609.62 is: 47,422.00
Step by Step Solution
- Step 1: Write the proportion equation
98,163.24 : 147,268.38 = 31,609.62 : x - Step 2: Convert to fraction form
98,163.24/147,268.38 = 31,609.62/x - Step 3: Cross multiply
98,163.24x = 147,268.38 × 31,609.62 - Step 4: Simplify right side
98,163.24x = 4,655,097,529.82 - Step 5: Solve for x
x = 4,655,097,529.82/98,163.24 - Step 6: Final answer
x = 47,422.00
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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.