Finding the Fourth Proportional to 146,942.08, 202,779.12 and 79,874.08
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Solution
The fourth proportional to 146,942.08, 202,779.12 and 79,874.08 is: 110,225.71
Step by Step Solution
- Step 1: Write the proportion equation
146,942.08 : 202,779.12 = 79,874.08 : x - Step 2: Convert to fraction form
146,942.08/202,779.12 = 79,874.08/x - Step 3: Cross multiply
146,942.08x = 202,779.12 × 79,874.08 - Step 4: Simplify right side
146,942.08x = 16,196,795,653.21 - Step 5: Solve for x
x = 16,196,795,653.21/146,942.08 - Step 6: Final answer
x = 110,225.71
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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.