Finding the Fourth Proportional to 115,266.23, 172,857.75 and 48,711.50
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Solution
The fourth proportional to 115,266.23, 172,857.75 and 48,711.50 is: 73,049.67
Step by Step Solution
- Step 1: Write the proportion equation
115,266.23 : 172,857.75 = 48,711.50 : x - Step 2: Convert to fraction form
115,266.23/172,857.75 = 48,711.50/x - Step 3: Cross multiply
115,266.23x = 172,857.75 × 48,711.50 - Step 4: Simplify right side
115,266.23x = 8,420,160,289.13 - Step 5: Solve for x
x = 8,420,160,289.13/115,266.23 - Step 6: Final answer
x = 73,049.67
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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.