Finding the Fourth Proportional to 136,178.10, 204,347.07 and 57,286.26
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Solution
The fourth proportional to 136,178.10, 204,347.07 and 57,286.26 is: 85,963.01
Step by Step Solution
- Step 1: Write the proportion equation
136,178.10 : 204,347.07 = 57,286.26 : x - Step 2: Convert to fraction form
136,178.10/204,347.07 = 57,286.26/x - Step 3: Cross multiply
136,178.10x = 204,347.07 × 57,286.26 - Step 4: Simplify right side
136,178.10x = 11,706,279,382.26 - Step 5: Solve for x
x = 11,706,279,382.26/136,178.10 - Step 6: Final answer
x = 85,963.01
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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.