Finding the Fourth Proportional to 216,613.14, 324,423.88 and 132,187.43
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Solution
The fourth proportional to 216,613.14, 324,423.88 and 132,187.43 is: 197,978.56
Step by Step Solution
- Step 1: Write the proportion equation
216,613.14 : 324,423.88 = 132,187.43 : x - Step 2: Convert to fraction form
216,613.14/324,423.88 = 132,187.43/x - Step 3: Cross multiply
216,613.14x = 324,423.88 × 132,187.43 - Step 4: Simplify right side
216,613.14x = 42,884,756,975.24 - Step 5: Solve for x
x = 42,884,756,975.24/216,613.14 - Step 6: Final answer
x = 197,978.56
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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.