Finding the Fourth Proportional to 363,402.70, 545,324.61 and 135,863.98
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Solution
The fourth proportional to 363,402.70, 545,324.61 and 135,863.98 is: 203,878.43
Step by Step Solution
- Step 1: Write the proportion equation
363,402.70 : 545,324.61 = 135,863.98 : x - Step 2: Convert to fraction form
363,402.70/545,324.61 = 135,863.98/x - Step 3: Cross multiply
363,402.70x = 545,324.61 × 135,863.98 - Step 4: Simplify right side
363,402.70x = 74,089,971,052.73 - Step 5: Solve for x
x = 74,089,971,052.73/363,402.70 - Step 6: Final answer
x = 203,878.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.