Finding the Fourth Proportional to 115,324.08, 172,993.44 and 48,751.80
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Solution
The fourth proportional to 115,324.08, 172,993.44 and 48,751.80 is: 73,130.79
Step by Step Solution
- Step 1: Write the proportion equation
115,324.08 : 172,993.44 = 48,751.80 : x - Step 2: Convert to fraction form
115,324.08/172,993.44 = 48,751.80/x - Step 3: Cross multiply
115,324.08x = 172,993.44 × 48,751.80 - Step 4: Simplify right side
115,324.08x = 8,433,741,588.19 - Step 5: Solve for x
x = 8,433,741,588.19/115,324.08 - Step 6: Final answer
x = 73,130.79
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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.