Finding the Fourth Proportional to 351,592.93, 485,163.48 and 196,515.19
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Solution
The fourth proportional to 351,592.93, 485,163.48 and 196,515.19 is: 271,171.53
Step by Step Solution
- Step 1: Write the proportion equation
351,592.93 : 485,163.48 = 196,515.19 : x - Step 2: Convert to fraction form
351,592.93/485,163.48 = 196,515.19/x - Step 3: Cross multiply
351,592.93x = 485,163.48 × 196,515.19 - Step 4: Simplify right side
351,592.93x = 95,341,993,453.26 - Step 5: Solve for x
x = 95,341,993,453.26/351,592.93 - Step 6: Final answer
x = 271,171.53
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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.