Finding the Fourth Proportional to 135,353.20, 202,905.96 and 52,184.56
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Solution
The fourth proportional to 135,353.20, 202,905.96 and 52,184.56 is: 78,229.09
Step by Step Solution
- Step 1: Write the proportion equation
135,353.20 : 202,905.96 = 52,184.56 : x - Step 2: Convert to fraction form
135,353.20/202,905.96 = 52,184.56/x - Step 3: Cross multiply
135,353.20x = 202,905.96 × 52,184.56 - Step 4: Simplify right side
135,353.20x = 10,588,558,243.98 - Step 5: Solve for x
x = 10,588,558,243.98/135,353.20 - Step 6: Final answer
x = 78,229.09
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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.