Finding the Fourth Proportional to 352,245.68, 528,399.24 and 99,528.80
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Solution
The fourth proportional to 352,245.68, 528,399.24 and 99,528.80 is: 149,301.88
Step by Step Solution
- Step 1: Write the proportion equation
352,245.68 : 528,399.24 = 99,528.80 : x - Step 2: Convert to fraction form
352,245.68/528,399.24 = 99,528.80/x - Step 3: Cross multiply
352,245.68x = 528,399.24 × 99,528.80 - Step 4: Simplify right side
352,245.68x = 52,590,942,278.11 - Step 5: Solve for x
x = 52,590,942,278.11/352,245.68 - Step 6: Final answer
x = 149,301.88
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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.