Finding the Fourth Proportional to 164,231.08, 226,621.94 and 121,233.44
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Solution
The fourth proportional to 164,231.08, 226,621.94 and 121,233.44 is: 167,289.63
Step by Step Solution
- Step 1: Write the proportion equation
164,231.08 : 226,621.94 = 121,233.44 : x - Step 2: Convert to fraction form
164,231.08/226,621.94 = 121,233.44/x - Step 3: Cross multiply
164,231.08x = 226,621.94 × 121,233.44 - Step 4: Simplify right side
164,231.08x = 27,474,157,365.67 - Step 5: Solve for x
x = 27,474,157,365.67/164,231.08 - Step 6: Final answer
x = 167,289.63
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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.