Finding the Fourth Proportional to 209,410.80, 313,348.20 and 154,114.80
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Solution
The fourth proportional to 209,410.80, 313,348.20 and 154,114.80 is: 230,606.99
Step by Step Solution
- Step 1: Write the proportion equation
209,410.80 : 313,348.20 = 154,114.80 : x - Step 2: Convert to fraction form
209,410.80/313,348.20 = 154,114.80/x - Step 3: Cross multiply
209,410.80x = 313,348.20 × 154,114.80 - Step 4: Simplify right side
209,410.80x = 48,291,595,173.36 - Step 5: Solve for x
x = 48,291,595,173.36/209,410.80 - Step 6: Final answer
x = 230,606.99
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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.