Finding the Fourth Proportional to 261,996.24, 393,091.67 and 181,992.06
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Solution
The fourth proportional to 261,996.24, 393,091.67 and 181,992.06 is: 273,055.69
Step by Step Solution
- Step 1: Write the proportion equation
261,996.24 : 393,091.67 = 181,992.06 : x - Step 2: Convert to fraction form
261,996.24/393,091.67 = 181,992.06/x - Step 3: Cross multiply
261,996.24x = 393,091.67 × 181,992.06 - Step 4: Simplify right side
261,996.24x = 71,539,562,264.39 - Step 5: Solve for x
x = 71,539,562,264.39/261,996.24 - Step 6: Final answer
x = 273,055.69
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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.