Finding the Fourth Proportional to 222,158.08, 306,578.46 and 121,556.08
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Solution
The fourth proportional to 222,158.08, 306,578.46 and 121,556.08 is: 167,747.56
Step by Step Solution
- Step 1: Write the proportion equation
222,158.08 : 306,578.46 = 121,556.08 : x - Step 2: Convert to fraction form
222,158.08/306,578.46 = 121,556.08/x - Step 3: Cross multiply
222,158.08x = 306,578.46 × 121,556.08 - Step 4: Simplify right side
222,158.08x = 37,266,475,810.04 - Step 5: Solve for x
x = 37,266,475,810.04/222,158.08 - Step 6: Final answer
x = 167,747.56
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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.