Finding the Fourth Proportional to 305,976.41, 422,126.48 and 176,891.12
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Solution
The fourth proportional to 305,976.41, 422,126.48 and 176,891.12 is: 244,039.82
Step by Step Solution
- Step 1: Write the proportion equation
305,976.41 : 422,126.48 = 176,891.12 : x - Step 2: Convert to fraction form
305,976.41/422,126.48 = 176,891.12/x - Step 3: Cross multiply
305,976.41x = 422,126.48 × 176,891.12 - Step 4: Simplify right side
305,976.41x = 74,670,427,326.40 - Step 5: Solve for x
x = 74,670,427,326.40/305,976.41 - Step 6: Final answer
x = 244,039.82
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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.