Finding the Fourth Proportional to 155,344.99, 232,516.29 and 80,361.88
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Solution
The fourth proportional to 155,344.99, 232,516.29 and 80,361.88 is: 120,283.55
Step by Step Solution
- Step 1: Write the proportion equation
155,344.99 : 232,516.29 = 80,361.88 : x - Step 2: Convert to fraction form
155,344.99/232,516.29 = 80,361.88/x - Step 3: Cross multiply
155,344.99x = 232,516.29 × 80,361.88 - Step 4: Simplify right side
155,344.99x = 18,685,446,195.03 - Step 5: Solve for x
x = 18,685,446,195.03/155,344.99 - Step 6: Final answer
x = 120,283.55
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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.