Finding the Fourth Proportional to 106,338.12, 159,507.80 and 27,446.96
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Solution
The fourth proportional to 106,338.12, 159,507.80 and 27,446.96 is: 41,170.60
Step by Step Solution
- Step 1: Write the proportion equation
106,338.12 : 159,507.80 = 27,446.96 : x - Step 2: Convert to fraction form
106,338.12/159,507.80 = 27,446.96/x - Step 3: Cross multiply
106,338.12x = 159,507.80 × 27,446.96 - Step 4: Simplify right side
106,338.12x = 4,378,004,206.29 - Step 5: Solve for x
x = 4,378,004,206.29/106,338.12 - Step 6: Final answer
x = 41,170.60
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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.