Finding the Fourth Proportional to 178,863.36, 246,777.62 and 107,217.24
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Solution
The fourth proportional to 178,863.36, 246,777.62 and 107,217.24 is: 147,927.53
Step by Step Solution
- Step 1: Write the proportion equation
178,863.36 : 246,777.62 = 107,217.24 : x - Step 2: Convert to fraction form
178,863.36/246,777.62 = 107,217.24/x - Step 3: Cross multiply
178,863.36x = 246,777.62 × 107,217.24 - Step 4: Simplify right side
178,863.36x = 26,458,815,310.17 - Step 5: Solve for x
x = 26,458,815,310.17/178,863.36 - Step 6: Final answer
x = 147,927.53
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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.