Finding the Fourth Proportional to 222,316.93, 306,797.54 and 120,342.08
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Solution
The fourth proportional to 222,316.93, 306,797.54 and 120,342.08 is: 166,072.17
Step by Step Solution
- Step 1: Write the proportion equation
222,316.93 : 306,797.54 = 120,342.08 : x - Step 2: Convert to fraction form
222,316.93/306,797.54 = 120,342.08/x - Step 3: Cross multiply
222,316.93x = 306,797.54 × 120,342.08 - Step 4: Simplify right side
222,316.93x = 36,920,654,102.48 - Step 5: Solve for x
x = 36,920,654,102.48/222,316.93 - Step 6: Final answer
x = 166,072.17
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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.