Finding the Fourth Proportional to 187,728.29, 282,391.54 and 170,170.68
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Solution
The fourth proportional to 187,728.29, 282,391.54 and 170,170.68 is: 255,980.39
Step by Step Solution
- Step 1: Write the proportion equation
187,728.29 : 282,391.54 = 170,170.68 : x - Step 2: Convert to fraction form
187,728.29/282,391.54 = 170,170.68/x - Step 3: Cross multiply
187,728.29x = 282,391.54 × 170,170.68 - Step 4: Simplify right side
187,728.29x = 48,054,760,388.05 - Step 5: Solve for x
x = 48,054,760,388.05/187,728.29 - Step 6: Final answer
x = 255,980.39
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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.