Finding the Fourth Proportional to 99,318.83, 149,009.36 and 32,805.68
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Solution
The fourth proportional to 99,318.83, 149,009.36 and 32,805.68 is: 49,218.79
Step by Step Solution
- Step 1: Write the proportion equation
99,318.83 : 149,009.36 = 32,805.68 : x - Step 2: Convert to fraction form
99,318.83/149,009.36 = 32,805.68/x - Step 3: Cross multiply
99,318.83x = 149,009.36 × 32,805.68 - Step 4: Simplify right side
99,318.83x = 4,888,352,472.09 - Step 5: Solve for x
x = 4,888,352,472.09/99,318.83 - Step 6: Final answer
x = 49,218.79
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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.