Finding the Fourth Proportional to 764,160.75, 1,146,416.09 and 265,524.75
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Solution
The fourth proportional to 764,160.75, 1,146,416.09 and 265,524.75 is: 398,347.92
Step by Step Solution
- Step 1: Write the proportion equation
764,160.75 : 1,146,416.09 = 265,524.75 : x - Step 2: Convert to fraction form
764,160.75/1,146,416.09 = 265,524.75/x - Step 3: Cross multiply
764,160.75x = 1,146,416.09 × 265,524.75 - Step 4: Simplify right side
764,160.75x = 304,401,844,365.60 - Step 5: Solve for x
x = 304,401,844,365.60/764,160.75 - Step 6: Final answer
x = 398,347.92
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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.