Finding the Fourth Proportional to 135,188.94, 202,786.14 and 41,694.68
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Solution
The fourth proportional to 135,188.94, 202,786.14 and 41,694.68 is: 62,542.86
Step by Step Solution
- Step 1: Write the proportion equation
135,188.94 : 202,786.14 = 41,694.68 : x - Step 2: Convert to fraction form
135,188.94/202,786.14 = 41,694.68/x - Step 3: Cross multiply
135,188.94x = 202,786.14 × 41,694.68 - Step 4: Simplify right side
135,188.94x = 8,455,103,215.74 - Step 5: Solve for x
x = 8,455,103,215.74/135,188.94 - Step 6: Final answer
x = 62,542.86
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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.