Finding the Fourth Proportional to 216,863.18, 325,372.56 and 96,910.08
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Solution
The fourth proportional to 216,863.18, 325,372.56 and 96,910.08 is: 145,399.88
Step by Step Solution
- Step 1: Write the proportion equation
216,863.18 : 325,372.56 = 96,910.08 : x - Step 2: Convert to fraction form
216,863.18/325,372.56 = 96,910.08/x - Step 3: Cross multiply
216,863.18x = 325,372.56 × 96,910.08 - Step 4: Simplify right side
216,863.18x = 31,531,880,819.40 - Step 5: Solve for x
x = 31,531,880,819.40/216,863.18 - Step 6: Final answer
x = 145,399.88
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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.