Finding the Fourth Proportional to 199,770.68, 299,556.93 and 73,405.82
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Solution
The fourth proportional to 199,770.68, 299,556.93 and 73,405.82 is: 110,072.32
Step by Step Solution
- Step 1: Write the proportion equation
199,770.68 : 299,556.93 = 73,405.82 : x - Step 2: Convert to fraction form
199,770.68/299,556.93 = 73,405.82/x - Step 3: Cross multiply
199,770.68x = 299,556.93 × 73,405.82 - Step 4: Simplify right side
199,770.68x = 21,989,222,083.33 - Step 5: Solve for x
x = 21,989,222,083.33/199,770.68 - Step 6: Final answer
x = 110,072.32
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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.