Finding the Fourth Proportional to 218,220.05, 327,319.54 and 76,059.58
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Solution
The fourth proportional to 218,220.05, 327,319.54 and 76,059.58 is: 114,085.70
Step by Step Solution
- Step 1: Write the proportion equation
218,220.05 : 327,319.54 = 76,059.58 : x - Step 2: Convert to fraction form
218,220.05/327,319.54 = 76,059.58/x - Step 3: Cross multiply
218,220.05x = 327,319.54 × 76,059.58 - Step 4: Simplify right side
218,220.05x = 24,895,785,729.75 - Step 5: Solve for x
x = 24,895,785,729.75/218,220.05 - Step 6: Final answer
x = 114,085.70
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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.