Finding the Fourth Proportional to 363,133.30, 501,138.21 and 219,812.26
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Solution
The fourth proportional to 363,133.30, 501,138.21 and 219,812.26 is: 303,349.55
Step by Step Solution
- Step 1: Write the proportion equation
363,133.30 : 501,138.21 = 219,812.26 : x - Step 2: Convert to fraction form
363,133.30/501,138.21 = 219,812.26/x - Step 3: Cross multiply
363,133.30x = 501,138.21 × 219,812.26 - Step 4: Simplify right side
363,133.30x = 110,156,322,512.46 - Step 5: Solve for x
x = 110,156,322,512.46/363,133.30 - Step 6: Final answer
x = 303,349.55
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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.