Finding the Fourth Proportional to 216,400.44, 324,604.26 and 98,072.78
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Solution
The fourth proportional to 216,400.44, 324,604.26 and 98,072.78 is: 147,110.80
Step by Step Solution
- Step 1: Write the proportion equation
216,400.44 : 324,604.26 = 98,072.78 : x - Step 2: Convert to fraction form
216,400.44/324,604.26 = 98,072.78/x - Step 3: Cross multiply
216,400.44x = 324,604.26 × 98,072.78 - Step 4: Simplify right side
216,400.44x = 31,834,842,178.04 - Step 5: Solve for x
x = 31,834,842,178.04/216,400.44 - Step 6: Final answer
x = 147,110.80
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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.