Finding the Fourth Proportional to 295,213.20, 442,163.70 and 228,436.80
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Solution
The fourth proportional to 295,213.20, 442,163.70 and 228,436.80 is: 342,147.51
Step by Step Solution
- Step 1: Write the proportion equation
295,213.20 : 442,163.70 = 228,436.80 : x - Step 2: Convert to fraction form
295,213.20/442,163.70 = 228,436.80/x - Step 3: Cross multiply
295,213.20x = 442,163.70 × 228,436.80 - Step 4: Simplify right side
295,213.20x = 101,006,460,704.16 - Step 5: Solve for x
x = 101,006,460,704.16/295,213.20 - Step 6: Final answer
x = 342,147.51
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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.