Finding the Fourth Proportional to 199,161.09, 274,811.45 and 114,261.75
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Solution
The fourth proportional to 199,161.09, 274,811.45 and 114,261.75 is: 157,663.51
Step by Step Solution
- Step 1: Write the proportion equation
199,161.09 : 274,811.45 = 114,261.75 : x - Step 2: Convert to fraction form
199,161.09/274,811.45 = 114,261.75/x - Step 3: Cross multiply
199,161.09x = 274,811.45 × 114,261.75 - Step 4: Simplify right side
199,161.09x = 31,400,436,625.73 - Step 5: Solve for x
x = 31,400,436,625.73/199,161.09 - Step 6: Final answer
x = 157,663.51
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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.