Finding the Fourth Proportional to 135,107.18, 202,697.70 and 40,341.74
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Solution
The fourth proportional to 135,107.18, 202,697.70 and 40,341.74 is: 60,523.64
Step by Step Solution
- Step 1: Write the proportion equation
135,107.18 : 202,697.70 = 40,341.74 : x - Step 2: Convert to fraction form
135,107.18/202,697.70 = 40,341.74/x - Step 3: Cross multiply
135,107.18x = 202,697.70 × 40,341.74 - Step 4: Simplify right side
135,107.18x = 8,177,177,912.00 - Step 5: Solve for x
x = 8,177,177,912.00/135,107.18 - Step 6: Final answer
x = 60,523.64
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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.