Finding the Fourth Proportional to 202,355.40, 303,533.10 and 149,211.30
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Solution
The fourth proportional to 202,355.40, 303,533.10 and 149,211.30 is: 223,816.95
Step by Step Solution
- Step 1: Write the proportion equation
202,355.40 : 303,533.10 = 149,211.30 : x - Step 2: Convert to fraction form
202,355.40/303,533.10 = 149,211.30/x - Step 3: Cross multiply
202,355.40x = 303,533.10 × 149,211.30 - Step 4: Simplify right side
202,355.40x = 45,290,568,444.03 - Step 5: Solve for x
x = 45,290,568,444.03/202,355.40 - Step 6: Final answer
x = 223,816.95
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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.