Finding the Fourth Proportional to 136,338.48, 204,230.88 and 68,828.88
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Solution
The fourth proportional to 136,338.48, 204,230.88 and 68,828.88 is: 103,103.56
Step by Step Solution
- Step 1: Write the proportion equation
136,338.48 : 204,230.88 = 68,828.88 : x - Step 2: Convert to fraction form
136,338.48/204,230.88 = 68,828.88/x - Step 3: Cross multiply
136,338.48x = 204,230.88 × 68,828.88 - Step 4: Simplify right side
136,338.48x = 14,056,982,731.81 - Step 5: Solve for x
x = 14,056,982,731.81/136,338.48 - Step 6: Final answer
x = 103,103.56
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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.