Finding the Fourth Proportional to 193,027.76, 289,534.08 and 80,678.96
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Solution
The fourth proportional to 193,027.76, 289,534.08 and 80,678.96 is: 121,015.28
Step by Step Solution
- Step 1: Write the proportion equation
193,027.76 : 289,534.08 = 80,678.96 : x - Step 2: Convert to fraction form
193,027.76/289,534.08 = 80,678.96/x - Step 3: Cross multiply
193,027.76x = 289,534.08 × 80,678.96 - Step 4: Simplify right side
193,027.76x = 23,359,308,458.96 - Step 5: Solve for x
x = 23,359,308,458.96/193,027.76 - Step 6: Final answer
x = 121,015.28
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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.