Finding the Fourth Proportional to 186,170.76, 279,163.84 and 66,209.72
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Solution
The fourth proportional to 186,170.76, 279,163.84 and 66,209.72 is: 99,281.75
Step by Step Solution
- Step 1: Write the proportion equation
186,170.76 : 279,163.84 = 66,209.72 : x - Step 2: Convert to fraction form
186,170.76/279,163.84 = 66,209.72/x - Step 3: Cross multiply
186,170.76x = 279,163.84 × 66,209.72 - Step 4: Simplify right side
186,170.76x = 18,483,359,680.52 - Step 5: Solve for x
x = 18,483,359,680.52/186,170.76 - Step 6: Final answer
x = 99,281.75
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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.