Finding the Fourth Proportional to 146,513.26, 202,188.30 and 79,445.26
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Solution
The fourth proportional to 146,513.26, 202,188.30 and 79,445.26 is: 109,634.46
Step by Step Solution
- Step 1: Write the proportion equation
146,513.26 : 202,188.30 = 79,445.26 : x - Step 2: Convert to fraction form
146,513.26/202,188.30 = 79,445.26/x - Step 3: Cross multiply
146,513.26x = 202,188.30 × 79,445.26 - Step 4: Simplify right side
146,513.26x = 16,062,902,062.46 - Step 5: Solve for x
x = 16,062,902,062.46/146,513.26 - Step 6: Final answer
x = 109,634.46
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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.