Finding the Fourth Proportional to 146,884.64, 202,701.84 and 79,816.64
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Solution
The fourth proportional to 146,884.64, 202,701.84 and 79,816.64 is: 110,147.53
Step by Step Solution
- Step 1: Write the proportion equation
146,884.64 : 202,701.84 = 79,816.64 : x - Step 2: Convert to fraction form
146,884.64/202,701.84 = 79,816.64/x - Step 3: Cross multiply
146,884.64x = 202,701.84 × 79,816.64 - Step 4: Simplify right side
146,884.64x = 16,178,979,790.62 - Step 5: Solve for x
x = 16,178,979,790.62/146,884.64 - Step 6: Final answer
x = 110,147.53
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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.