Finding the Fourth Proportional to 181,163.97, 249,979.64 and 100,592.19
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Solution
The fourth proportional to 181,163.97, 249,979.64 and 100,592.19 is: 138,802.43
Step by Step Solution
- Step 1: Write the proportion equation
181,163.97 : 249,979.64 = 100,592.19 : x - Step 2: Convert to fraction form
181,163.97/249,979.64 = 100,592.19/x - Step 3: Cross multiply
181,163.97x = 249,979.64 × 100,592.19 - Step 4: Simplify right side
181,163.97x = 25,145,998,940.05 - Step 5: Solve for x
x = 25,145,998,940.05/181,163.97 - Step 6: Final answer
x = 138,802.43
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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.