Finding the Fourth Proportional to 147,944.40, 221,873.40 and 53,163.60
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Solution
The fourth proportional to 147,944.40, 221,873.40 and 53,163.60 is: 79,729.88
Step by Step Solution
- Step 1: Write the proportion equation
147,944.40 : 221,873.40 = 53,163.60 : x - Step 2: Convert to fraction form
147,944.40/221,873.40 = 53,163.60/x - Step 3: Cross multiply
147,944.40x = 221,873.40 × 53,163.60 - Step 4: Simplify right side
147,944.40x = 11,795,588,688.24 - Step 5: Solve for x
x = 11,795,588,688.24/147,944.40 - Step 6: Final answer
x = 79,729.88
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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.