Finding the Fourth Proportional to 281,672.18, 420,324.41 and 251,760.50
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Solution
The fourth proportional to 281,672.18, 420,324.41 and 251,760.50 is: 375,688.80
Step by Step Solution
- Step 1: Write the proportion equation
281,672.18 : 420,324.41 = 251,760.50 : x - Step 2: Convert to fraction form
281,672.18/420,324.41 = 251,760.50/x - Step 3: Cross multiply
281,672.18x = 420,324.41 × 251,760.50 - Step 4: Simplify right side
281,672.18x = 105,821,082,365.00 - Step 5: Solve for x
x = 105,821,082,365.00/281,672.18 - Step 6: Final answer
x = 375,688.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.