Finding the Fourth Proportional to 134,910.75, 202,375.94 and 51,804.75
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Solution
The fourth proportional to 134,910.75, 202,375.94 and 51,804.75 is: 77,710.89
Step by Step Solution
- Step 1: Write the proportion equation
134,910.75 : 202,375.94 = 51,804.75 : x - Step 2: Convert to fraction form
134,910.75/202,375.94 = 51,804.75/x - Step 3: Cross multiply
134,910.75x = 202,375.94 × 51,804.75 - Step 4: Simplify right side
134,910.75x = 10,484,034,718.69 - Step 5: Solve for x
x = 10,484,034,718.69/134,910.75 - Step 6: Final answer
x = 77,710.89
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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.