Finding the Fourth Proportional to 178,855.84, 246,815.94 and 101,324.26
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Solution
The fourth proportional to 178,855.84, 246,815.94 and 101,324.26 is: 139,824.58
Step by Step Solution
- Step 1: Write the proportion equation
178,855.84 : 246,815.94 = 101,324.26 : x - Step 2: Convert to fraction form
178,855.84/246,815.94 = 101,324.26/x - Step 3: Cross multiply
178,855.84x = 246,815.94 × 101,324.26 - Step 4: Simplify right side
178,855.84x = 25,008,442,476.70 - Step 5: Solve for x
x = 25,008,442,476.70/178,855.84 - Step 6: Final answer
x = 139,824.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.