Finding the Fourth Proportional to 135,236.80, 202,874.40 and 41,732.80
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Solution
The fourth proportional to 135,236.80, 202,874.40 and 41,732.80 is: 62,605.12
Step by Step Solution
- Step 1: Write the proportion equation
135,236.80 : 202,874.40 = 41,732.80 : x - Step 2: Convert to fraction form
135,236.80/202,874.40 = 41,732.80/x - Step 3: Cross multiply
135,236.80x = 202,874.40 × 41,732.80 - Step 4: Simplify right side
135,236.80x = 8,466,516,760.32 - Step 5: Solve for x
x = 8,466,516,760.32/135,236.80 - Step 6: Final answer
x = 62,605.12
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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.