Finding the Fourth Proportional to 195,711.98, 270,057.29 and 115,110.09
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Solution
The fourth proportional to 195,711.98, 270,057.29 and 115,110.09 is: 158,837.08
Step by Step Solution
- Step 1: Write the proportion equation
195,711.98 : 270,057.29 = 115,110.09 : x - Step 2: Convert to fraction form
195,711.98/270,057.29 = 115,110.09/x - Step 3: Cross multiply
195,711.98x = 270,057.29 × 115,110.09 - Step 4: Simplify right side
195,711.98x = 31,086,318,381.51 - Step 5: Solve for x
x = 31,086,318,381.51/195,711.98 - Step 6: Final answer
x = 158,837.08
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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.