Finding the Fourth Proportional to 305,202.57, 421,093.64 and 240,471.14
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Solution
The fourth proportional to 305,202.57, 421,093.64 and 240,471.14 is: 331,782.48
Step by Step Solution
- Step 1: Write the proportion equation
305,202.57 : 421,093.64 = 240,471.14 : x - Step 2: Convert to fraction form
305,202.57/421,093.64 = 240,471.14/x - Step 3: Cross multiply
305,202.57x = 421,093.64 × 240,471.14 - Step 4: Simplify right side
305,202.57x = 101,260,864,349.73 - Step 5: Solve for x
x = 101,260,864,349.73/305,202.57 - Step 6: Final answer
x = 331,782.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.