Finding the Fourth Proportional to 186,125.76, 279,027.36 and 75,245.76
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Solution
The fourth proportional to 186,125.76, 279,027.36 and 75,245.76 is: 112,803.44
Step by Step Solution
- Step 1: Write the proportion equation
186,125.76 : 279,027.36 = 75,245.76 : x - Step 2: Convert to fraction form
186,125.76/279,027.36 = 75,245.76/x - Step 3: Cross multiply
186,125.76x = 279,027.36 × 75,245.76 - Step 4: Simplify right side
186,125.76x = 20,995,625,763.99 - Step 5: Solve for x
x = 20,995,625,763.99/186,125.76 - Step 6: Final answer
x = 112,803.44
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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.