Finding the Fourth Proportional to 451,116.09, 622,540.17 and 247,174.74
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Solution
The fourth proportional to 451,116.09, 622,540.17 and 247,174.74 is: 341,101.12
Step by Step Solution
- Step 1: Write the proportion equation
451,116.09 : 622,540.17 = 247,174.74 : x - Step 2: Convert to fraction form
451,116.09/622,540.17 = 247,174.74/x - Step 3: Cross multiply
451,116.09x = 622,540.17 × 247,174.74 - Step 4: Simplify right side
451,116.09x = 153,876,204,659.31 - Step 5: Solve for x
x = 153,876,204,659.31/451,116.09 - Step 6: Final answer
x = 341,101.12
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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.