Finding the Fourth Proportional to 115,412.97, 173,129.37 and 40,526.68
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Solution
The fourth proportional to 115,412.97, 173,129.37 and 40,526.68 is: 60,793.50
Step by Step Solution
- Step 1: Write the proportion equation
115,412.97 : 173,129.37 = 40,526.68 : x - Step 2: Convert to fraction form
115,412.97/173,129.37 = 40,526.68/x - Step 3: Cross multiply
115,412.97x = 173,129.37 × 40,526.68 - Step 4: Simplify right side
115,412.97x = 7,016,358,576.59 - Step 5: Solve for x
x = 7,016,358,576.59/115,412.97 - Step 6: Final answer
x = 60,793.50
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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.