Finding the Fourth Proportional to 192,791.27, 266,014.14 and 121,129.77
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Solution
The fourth proportional to 192,791.27, 266,014.14 and 121,129.77 is: 167,135.32
Step by Step Solution
- Step 1: Write the proportion equation
192,791.27 : 266,014.14 = 121,129.77 : x - Step 2: Convert to fraction form
192,791.27/266,014.14 = 121,129.77/x - Step 3: Cross multiply
192,791.27x = 266,014.14 × 121,129.77 - Step 4: Simplify right side
192,791.27x = 32,222,229,659.23 - Step 5: Solve for x
x = 32,222,229,659.23/192,791.27 - Step 6: Final answer
x = 167,135.32
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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.