Finding the Fourth Proportional to 251,837.24, 377,796.86 and 74,362.19
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Solution
The fourth proportional to 251,837.24, 377,796.86 and 74,362.19 is: 111,555.39
Step by Step Solution
- Step 1: Write the proportion equation
251,837.24 : 377,796.86 = 74,362.19 : x - Step 2: Convert to fraction form
251,837.24/377,796.86 = 74,362.19/x - Step 3: Cross multiply
251,837.24x = 377,796.86 × 74,362.19 - Step 4: Simplify right side
251,837.24x = 28,093,799,902.79 - Step 5: Solve for x
x = 28,093,799,902.79/251,837.24 - Step 6: Final answer
x = 111,555.39
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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.