Finding the Fourth Proportional to 202,249.20, 303,623.40 and 127,369.20
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Solution
The fourth proportional to 202,249.20, 303,623.40 and 127,369.20 is: 191,210.99
Step by Step Solution
- Step 1: Write the proportion equation
202,249.20 : 303,623.40 = 127,369.20 : x - Step 2: Convert to fraction form
202,249.20/303,623.40 = 127,369.20/x - Step 3: Cross multiply
202,249.20x = 303,623.40 × 127,369.20 - Step 4: Simplify right side
202,249.20x = 38,672,269,559.28 - Step 5: Solve for x
x = 38,672,269,559.28/202,249.20 - Step 6: Final answer
x = 191,210.99
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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.