Finding the Fourth Proportional to 205,696.36, 283,887.26 and 115,057.36
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Solution
The fourth proportional to 205,696.36, 283,887.26 and 115,057.36 is: 158,793.86
Step by Step Solution
- Step 1: Write the proportion equation
205,696.36 : 283,887.26 = 115,057.36 : x - Step 2: Convert to fraction form
205,696.36/283,887.26 = 115,057.36/x - Step 3: Cross multiply
205,696.36x = 283,887.26 × 115,057.36 - Step 4: Simplify right side
205,696.36x = 32,663,318,673.23 - Step 5: Solve for x
x = 32,663,318,673.23/205,696.36 - Step 6: Final answer
x = 158,793.86
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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.