Finding the Fourth Proportional to 252,220.82, 348,067.06 and 139,047.62
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Solution
The fourth proportional to 252,220.82, 348,067.06 and 139,047.62 is: 191,886.99
Step by Step Solution
- Step 1: Write the proportion equation
252,220.82 : 348,067.06 = 139,047.62 : x - Step 2: Convert to fraction form
252,220.82/348,067.06 = 139,047.62/x - Step 3: Cross multiply
252,220.82x = 348,067.06 × 139,047.62 - Step 4: Simplify right side
252,220.82x = 48,397,894,205.44 - Step 5: Solve for x
x = 48,397,894,205.44/252,220.82 - Step 6: Final answer
x = 191,886.99
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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.