Finding the Fourth Proportional to 218,440.77, 327,704.91 and 68,718.75
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Solution
The fourth proportional to 218,440.77, 327,704.91 and 68,718.75 is: 103,091.89
Step by Step Solution
- Step 1: Write the proportion equation
218,440.77 : 327,704.91 = 68,718.75 : x - Step 2: Convert to fraction form
218,440.77/327,704.91 = 68,718.75/x - Step 3: Cross multiply
218,440.77x = 327,704.91 × 68,718.75 - Step 4: Simplify right side
218,440.77x = 22,519,471,784.06 - Step 5: Solve for x
x = 22,519,471,784.06/218,440.77 - Step 6: Final answer
x = 103,091.89
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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.