Finding the Fourth Proportional to 201,723.70, 302,585.55 and 188,601.70
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Solution
The fourth proportional to 201,723.70, 302,585.55 and 188,601.70 is: 282,902.55
Step by Step Solution
- Step 1: Write the proportion equation
201,723.70 : 302,585.55 = 188,601.70 : x - Step 2: Convert to fraction form
201,723.70/302,585.55 = 188,601.70/x - Step 3: Cross multiply
201,723.70x = 302,585.55 × 188,601.70 - Step 4: Simplify right side
201,723.70x = 57,068,149,125.44 - Step 5: Solve for x
x = 57,068,149,125.44/201,723.70 - Step 6: Final answer
x = 282,902.55
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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.