Finding the Fourth Proportional to 424,229.96, 585,439.26 and 230,639.56
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Solution
The fourth proportional to 424,229.96, 585,439.26 and 230,639.56 is: 318,283.63
Step by Step Solution
- Step 1: Write the proportion equation
424,229.96 : 585,439.26 = 230,639.56 : x - Step 2: Convert to fraction form
424,229.96/585,439.26 = 230,639.56/x - Step 3: Cross multiply
424,229.96x = 585,439.26 × 230,639.56 - Step 4: Simplify right side
424,229.96x = 135,025,453,333.13 - Step 5: Solve for x
x = 135,025,453,333.13/424,229.96 - Step 6: Final answer
x = 318,283.63
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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.