Finding the Fourth Proportional to 135,063.97, 202,607.46 and 40,288.05
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Solution
The fourth proportional to 135,063.97, 202,607.46 and 40,288.05 is: 60,435.50
Step by Step Solution
- Step 1: Write the proportion equation
135,063.97 : 202,607.46 = 40,288.05 : x - Step 2: Convert to fraction form
135,063.97/202,607.46 = 40,288.05/x - Step 3: Cross multiply
135,063.97x = 202,607.46 × 40,288.05 - Step 4: Simplify right side
135,063.97x = 8,162,658,465.82 - Step 5: Solve for x
x = 8,162,658,465.82/135,063.97 - Step 6: Final answer
x = 60,435.50
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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.