Finding the Fourth Proportional to 202,205.80, 303,418.05 and 83,889.10
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Solution
The fourth proportional to 202,205.80, 303,418.05 and 83,889.10 is: 125,879.02
Step by Step Solution
- Step 1: Write the proportion equation
202,205.80 : 303,418.05 = 83,889.10 : x - Step 2: Convert to fraction form
202,205.80/303,418.05 = 83,889.10/x - Step 3: Cross multiply
202,205.80x = 303,418.05 × 83,889.10 - Step 4: Simplify right side
202,205.80x = 25,453,467,138.26 - Step 5: Solve for x
x = 25,453,467,138.26/202,205.80 - Step 6: Final answer
x = 125,879.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.