Finding the Fourth Proportional to 261,810.54, 392,704.84 and 84,313.62
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Solution
The fourth proportional to 261,810.54, 392,704.84 and 84,313.62 is: 126,466.90
Step by Step Solution
- Step 1: Write the proportion equation
261,810.54 : 392,704.84 = 84,313.62 : x - Step 2: Convert to fraction form
261,810.54/392,704.84 = 84,313.62/x - Step 3: Cross multiply
261,810.54x = 392,704.84 × 84,313.62 - Step 4: Simplify right side
261,810.54x = 33,110,366,651.92 - Step 5: Solve for x
x = 33,110,366,651.92/261,810.54 - Step 6: Final answer
x = 126,466.90
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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.