Finding the Fourth Proportional to 170,758.73, 256,114.04 and 107,385.68
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Solution
The fourth proportional to 170,758.73, 256,114.04 and 107,385.68 is: 161,063.39
Step by Step Solution
- Step 1: Write the proportion equation
170,758.73 : 256,114.04 = 107,385.68 : x - Step 2: Convert to fraction form
170,758.73/256,114.04 = 107,385.68/x - Step 3: Cross multiply
170,758.73x = 256,114.04 × 107,385.68 - Step 4: Simplify right side
170,758.73x = 27,502,980,446.30 - Step 5: Solve for x
x = 27,502,980,446.30/170,758.73 - Step 6: Final answer
x = 161,063.39
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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.