Finding the Fourth Proportional to 193,822.25, 290,738.84 and 53,580.87
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Solution
The fourth proportional to 193,822.25, 290,738.84 and 53,580.87 is: 80,372.82
Step by Step Solution
- Step 1: Write the proportion equation
193,822.25 : 290,738.84 = 53,580.87 : x - Step 2: Convert to fraction form
193,822.25/290,738.84 = 53,580.87/x - Step 3: Cross multiply
193,822.25x = 290,738.84 × 53,580.87 - Step 4: Simplify right side
193,822.25x = 15,578,039,722.09 - Step 5: Solve for x
x = 15,578,039,722.09/193,822.25 - Step 6: Final answer
x = 80,372.82
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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.