Finding the Fourth Proportional to 322,514.14, 445,074.81 and 177,326.02
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Solution
The fourth proportional to 322,514.14, 445,074.81 and 177,326.02 is: 244,712.82
Step by Step Solution
- Step 1: Write the proportion equation
322,514.14 : 445,074.81 = 177,326.02 : x - Step 2: Convert to fraction form
322,514.14/445,074.81 = 177,326.02/x - Step 3: Cross multiply
322,514.14x = 445,074.81 × 177,326.02 - Step 4: Simplify right side
322,514.14x = 78,923,344,659.56 - Step 5: Solve for x
x = 78,923,344,659.56/322,514.14 - Step 6: Final answer
x = 244,712.82
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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.