Finding the Fourth Proportional to 117,991.13, 177,876.14 and 110,380.37
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Solution
The fourth proportional to 117,991.13, 177,876.14 and 110,380.37 is: 166,402.62
Step by Step Solution
- Step 1: Write the proportion equation
117,991.13 : 177,876.14 = 110,380.37 : x - Step 2: Convert to fraction form
117,991.13/177,876.14 = 110,380.37/x - Step 3: Cross multiply
117,991.13x = 177,876.14 × 110,380.37 - Step 4: Simplify right side
117,991.13x = 19,634,032,706.09 - Step 5: Solve for x
x = 19,634,032,706.09/117,991.13 - Step 6: Final answer
x = 166,402.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.