Finding the Fourth Proportional to 235,474.81, 353,224.43 and 77,715.56
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Solution
The fourth proportional to 235,474.81, 353,224.43 and 77,715.56 is: 116,577.37
Step by Step Solution
- Step 1: Write the proportion equation
235,474.81 : 353,224.43 = 77,715.56 : x - Step 2: Convert to fraction form
235,474.81/353,224.43 = 77,715.56/x - Step 3: Cross multiply
235,474.81x = 353,224.43 × 77,715.56 - Step 4: Simplify right side
235,474.81x = 27,451,034,383.13 - Step 5: Solve for x
x = 27,451,034,383.13/235,474.81 - Step 6: Final answer
x = 116,577.37
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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.