Finding the Fourth Proportional to 424,218.31, 585,609.99 and 252,191.98
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Solution
The fourth proportional to 424,218.31, 585,609.99 and 252,191.98 is: 348,137.12
Step by Step Solution
- Step 1: Write the proportion equation
424,218.31 : 585,609.99 = 252,191.98 : x - Step 2: Convert to fraction form
424,218.31/585,609.99 = 252,191.98/x - Step 3: Cross multiply
424,218.31x = 585,609.99 × 252,191.98 - Step 4: Simplify right side
424,218.31x = 147,686,138,696.87 - Step 5: Solve for x
x = 147,686,138,696.87/424,218.31 - Step 6: Final answer
x = 348,137.12
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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.