Finding the Fourth Proportional to 193,359.22, 289,695.51 and 80,791.63
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Solution
The fourth proportional to 193,359.22, 289,695.51 and 80,791.63 is: 121,043.99
Step by Step Solution
- Step 1: Write the proportion equation
193,359.22 : 289,695.51 = 80,791.63 : x - Step 2: Convert to fraction form
193,359.22/289,695.51 = 80,791.63/x - Step 3: Cross multiply
193,359.22x = 289,695.51 × 80,791.63 - Step 4: Simplify right side
193,359.22x = 23,404,972,456.58 - Step 5: Solve for x
x = 23,404,972,456.58/193,359.22 - Step 6: Final answer
x = 121,043.99
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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.