Finding the Fourth Proportional to 202,418.80, 303,628.20 and 84,029.20
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Solution
The fourth proportional to 202,418.80, 303,628.20 and 84,029.20 is: 126,043.80
Step by Step Solution
- Step 1: Write the proportion equation
202,418.80 : 303,628.20 = 84,029.20 : x - Step 2: Convert to fraction form
202,418.80/303,628.20 = 84,029.20/x - Step 3: Cross multiply
202,418.80x = 303,628.20 × 84,029.20 - Step 4: Simplify right side
202,418.80x = 25,513,634,743.44 - Step 5: Solve for x
x = 25,513,634,743.44/202,418.80 - Step 6: Final answer
x = 126,043.80
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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.