Finding the Fourth Proportional to 115,863.84, 173,687.44 and 40,942.08
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Solution
The fourth proportional to 115,863.84, 173,687.44 and 40,942.08 is: 61,374.84
Step by Step Solution
- Step 1: Write the proportion equation
115,863.84 : 173,687.44 = 40,942.08 : x - Step 2: Convert to fraction form
115,863.84/173,687.44 = 40,942.08/x - Step 3: Cross multiply
115,863.84x = 173,687.44 × 40,942.08 - Step 4: Simplify right side
115,863.84x = 7,111,125,063.48 - Step 5: Solve for x
x = 7,111,125,063.48/115,863.84 - Step 6: Final answer
x = 61,374.84
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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.