Finding the Fourth Proportional to 261,737.14, 392,668.35 and 84,260.74
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Solution
The fourth proportional to 261,737.14, 392,668.35 and 84,260.74 is: 126,411.28
Step by Step Solution
- Step 1: Write the proportion equation
261,737.14 : 392,668.35 = 84,260.74 : x - Step 2: Convert to fraction form
261,737.14/392,668.35 = 84,260.74/x - Step 3: Cross multiply
261,737.14x = 392,668.35 × 84,260.74 - Step 4: Simplify right side
261,737.14x = 33,086,525,745.58 - Step 5: Solve for x
x = 33,086,525,745.58/261,737.14 - Step 6: Final answer
x = 126,411.28
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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.