Finding the Fourth Proportional to 218,608.34, 327,863.30 and 142,682.99
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Solution
The fourth proportional to 218,608.34, 327,863.30 and 142,682.99 is: 213,992.36
Step by Step Solution
- Step 1: Write the proportion equation
218,608.34 : 327,863.30 = 142,682.99 : x - Step 2: Convert to fraction form
218,608.34/327,863.30 = 142,682.99/x - Step 3: Cross multiply
218,608.34x = 327,863.30 × 142,682.99 - Step 4: Simplify right side
218,608.34x = 46,780,513,602.54 - Step 5: Solve for x
x = 46,780,513,602.54/218,608.34 - Step 6: Final answer
x = 213,992.36
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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.