Finding the Fourth Proportional to 146,586.62, 202,289.92 and 79,518.62
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Solution
The fourth proportional to 146,586.62, 202,289.92 and 79,518.62 is: 109,735.90
Step by Step Solution
- Step 1: Write the proportion equation
146,586.62 : 202,289.92 = 79,518.62 : x - Step 2: Convert to fraction form
146,586.62/202,289.92 = 79,518.62/x - Step 3: Cross multiply
146,586.62x = 202,289.92 × 79,518.62 - Step 4: Simplify right side
146,586.62x = 16,085,814,068.06 - Step 5: Solve for x
x = 16,085,814,068.06/146,586.62 - Step 6: Final answer
x = 109,735.90
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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.