Finding the Fourth Proportional to 193,369.52, 289,998.12 and 81,046.68
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Solution
The fourth proportional to 193,369.52, 289,998.12 and 81,046.68 is: 121,546.48
Step by Step Solution
- Step 1: Write the proportion equation
193,369.52 : 289,998.12 = 81,046.68 : x - Step 2: Convert to fraction form
193,369.52/289,998.12 = 81,046.68/x - Step 3: Cross multiply
193,369.52x = 289,998.12 × 81,046.68 - Step 4: Simplify right side
193,369.52x = 23,503,384,832.24 - Step 5: Solve for x
x = 23,503,384,832.24/193,369.52 - Step 6: Final answer
x = 121,546.48
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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.