Finding the Fourth Proportional to 221,067.52, 305,062.32 and 125,561.68
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Solution
The fourth proportional to 221,067.52, 305,062.32 and 125,561.68 is: 173,268.95
Step by Step Solution
- Step 1: Write the proportion equation
221,067.52 : 305,062.32 = 125,561.68 : x - Step 2: Convert to fraction form
221,067.52/305,062.32 = 125,561.68/x - Step 3: Cross multiply
221,067.52x = 305,062.32 × 125,561.68 - Step 4: Simplify right side
221,067.52x = 38,304,137,403.90 - Step 5: Solve for x
x = 38,304,137,403.90/221,067.52 - Step 6: Final answer
x = 173,268.95
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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.