Finding the Fourth Proportional to 136,393.38, 204,639.39 and 69,864.84
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Solution
The fourth proportional to 136,393.38, 204,639.39 and 69,864.84 is: 104,822.52
Step by Step Solution
- Step 1: Write the proportion equation
136,393.38 : 204,639.39 = 69,864.84 : x - Step 2: Convert to fraction form
136,393.38/204,639.39 = 69,864.84/x - Step 3: Cross multiply
136,393.38x = 204,639.39 × 69,864.84 - Step 4: Simplify right side
136,393.38x = 14,297,098,240.05 - Step 5: Solve for x
x = 14,297,098,240.05/136,393.38 - Step 6: Final answer
x = 104,822.52
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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.