Finding the Fourth Proportional to 215,769.06, 297,639.36 and 135,056.44
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Solution
The fourth proportional to 215,769.06, 297,639.36 and 135,056.44 is: 186,301.56
Step by Step Solution
- Step 1: Write the proportion equation
215,769.06 : 297,639.36 = 135,056.44 : x - Step 2: Convert to fraction form
215,769.06/297,639.36 = 135,056.44/x - Step 3: Cross multiply
215,769.06x = 297,639.36 × 135,056.44 - Step 4: Simplify right side
215,769.06x = 40,198,112,365.48 - Step 5: Solve for x
x = 40,198,112,365.48/215,769.06 - Step 6: Final answer
x = 186,301.56
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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.