Finding the Fourth Proportional to 202,141.55, 303,169.80 and 102,207.80
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Solution
The fourth proportional to 202,141.55, 303,169.80 and 102,207.80 is: 153,290.20
Step by Step Solution
- Step 1: Write the proportion equation
202,141.55 : 303,169.80 = 102,207.80 : x - Step 2: Convert to fraction form
202,141.55/303,169.80 = 102,207.80/x - Step 3: Cross multiply
202,141.55x = 303,169.80 × 102,207.80 - Step 4: Simplify right side
202,141.55x = 30,986,318,284.44 - Step 5: Solve for x
x = 30,986,318,284.44/202,141.55 - Step 6: Final answer
x = 153,290.20
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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.