Finding the Fourth Proportional to 397,214.18, 548,201.48 and 236,067.81
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Solution
The fourth proportional to 397,214.18, 548,201.48 and 236,067.81 is: 325,800.86
Step by Step Solution
- Step 1: Write the proportion equation
397,214.18 : 548,201.48 = 236,067.81 : x - Step 2: Convert to fraction form
397,214.18/548,201.48 = 236,067.81/x - Step 3: Cross multiply
397,214.18x = 548,201.48 × 236,067.81 - Step 4: Simplify right side
397,214.18x = 129,412,721,642.02 - Step 5: Solve for x
x = 129,412,721,642.02/397,214.18 - Step 6: Final answer
x = 325,800.86
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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.