Finding the Fourth Proportional to 136,299.25, 204,490.73 and 69,786.08
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Solution
The fourth proportional to 136,299.25, 204,490.73 and 69,786.08 is: 104,700.55
Step by Step Solution
- Step 1: Write the proportion equation
136,299.25 : 204,490.73 = 69,786.08 : x - Step 2: Convert to fraction form
136,299.25/204,490.73 = 69,786.08/x - Step 3: Cross multiply
136,299.25x = 204,490.73 × 69,786.08 - Step 4: Simplify right side
136,299.25x = 14,270,606,361.89 - Step 5: Solve for x
x = 14,270,606,361.89/136,299.25 - Step 6: Final answer
x = 104,700.55
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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.