Finding the Fourth Proportional to 201,815.80, 302,723.70 and 130,852.60
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Solution
The fourth proportional to 201,815.80, 302,723.70 and 130,852.60 is: 196,278.90
Step by Step Solution
- Step 1: Write the proportion equation
201,815.80 : 302,723.70 = 130,852.60 : x - Step 2: Convert to fraction form
201,815.80/302,723.70 = 130,852.60/x - Step 3: Cross multiply
201,815.80x = 302,723.70 × 130,852.60 - Step 4: Simplify right side
201,815.80x = 39,612,183,226.62 - Step 5: Solve for x
x = 39,612,183,226.62/201,815.80 - Step 6: Final answer
x = 196,278.90
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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.