Finding the Fourth Proportional to 201,620.70, 302,431.05 and 170,516.70
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Solution
The fourth proportional to 201,620.70, 302,431.05 and 170,516.70 is: 255,775.05
Step by Step Solution
- Step 1: Write the proportion equation
201,620.70 : 302,431.05 = 170,516.70 : x - Step 2: Convert to fraction form
201,620.70/302,431.05 = 170,516.70/x - Step 3: Cross multiply
201,620.70x = 302,431.05 × 170,516.70 - Step 4: Simplify right side
201,620.70x = 51,569,544,623.54 - Step 5: Solve for x
x = 51,569,544,623.54/201,620.70 - Step 6: Final answer
x = 255,775.05
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1.5x scale
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.