Finding the Fourth Proportional to 146,896.14, 202,778.67 and 99,214.05
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Solution
The fourth proportional to 146,896.14, 202,778.67 and 99,214.05 is: 136,957.26
Step by Step Solution
- Step 1: Write the proportion equation
146,896.14 : 202,778.67 = 99,214.05 : x - Step 2: Convert to fraction form
146,896.14/202,778.67 = 99,214.05/x - Step 3: Cross multiply
146,896.14x = 202,778.67 × 99,214.05 - Step 4: Simplify right side
146,896.14x = 20,118,493,104.31 - Step 5: Solve for x
x = 20,118,493,104.31/146,896.14 - Step 6: Final answer
x = 136,957.26
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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.