Finding the Fourth Proportional to 397,682.10, 548,619.96 and 236,445.51
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Solution
The fourth proportional to 397,682.10, 548,619.96 and 236,445.51 is: 326,186.99
Step by Step Solution
- Step 1: Write the proportion equation
397,682.10 : 548,619.96 = 236,445.51 : x - Step 2: Convert to fraction form
397,682.10/548,619.96 = 236,445.51/x - Step 3: Cross multiply
397,682.10x = 548,619.96 × 236,445.51 - Step 4: Simplify right side
397,682.10x = 129,718,726,238.38 - Step 5: Solve for x
x = 129,718,726,238.38/397,682.10 - Step 6: Final answer
x = 326,186.99
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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.