Finding the Fourth Proportional to 115,610.20, 173,447.70 and 56,447.80
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Solution
The fourth proportional to 115,610.20, 173,447.70 and 56,447.80 is: 84,687.52
Step by Step Solution
- Step 1: Write the proportion equation
115,610.20 : 173,447.70 = 56,447.80 : x - Step 2: Convert to fraction form
115,610.20/173,447.70 = 56,447.80/x - Step 3: Cross multiply
115,610.20x = 173,447.70 × 56,447.80 - Step 4: Simplify right side
115,610.20x = 9,790,741,080.06 - Step 5: Solve for x
x = 9,790,741,080.06/115,610.20 - Step 6: Final answer
x = 84,687.52
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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.