Finding the Fourth Proportional to 115,194.96, 172,765.44 and 44,102.88
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Solution
The fourth proportional to 115,194.96, 172,765.44 and 44,102.88 is: 66,143.98
Step by Step Solution
- Step 1: Write the proportion equation
115,194.96 : 172,765.44 = 44,102.88 : x - Step 2: Convert to fraction form
115,194.96/172,765.44 = 44,102.88/x - Step 3: Cross multiply
115,194.96x = 172,765.44 × 44,102.88 - Step 4: Simplify right side
115,194.96x = 7,619,453,468.47 - Step 5: Solve for x
x = 7,619,453,468.47/115,194.96 - Step 6: Final answer
x = 66,143.98
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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.