Finding the Fourth Proportional to 115,265.99, 172,857.38 and 48,711.26
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Solution
The fourth proportional to 115,265.99, 172,857.38 and 48,711.26 is: 73,049.30
Step by Step Solution
- Step 1: Write the proportion equation
115,265.99 : 172,857.38 = 48,711.26 : x - Step 2: Convert to fraction form
115,265.99/172,857.38 = 48,711.26/x - Step 3: Cross multiply
115,265.99x = 172,857.38 × 48,711.26 - Step 4: Simplify right side
115,265.99x = 8,420,099,672.26 - Step 5: Solve for x
x = 8,420,099,672.26/115,265.99 - Step 6: Final answer
x = 73,049.30
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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.