Finding the Fourth Proportional to 271,247.64, 406,815.84 and 102,709.84
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Solution
The fourth proportional to 271,247.64, 406,815.84 and 102,709.84 is: 154,043.70
Step by Step Solution
- Step 1: Write the proportion equation
271,247.64 : 406,815.84 = 102,709.84 : x - Step 2: Convert to fraction form
271,247.64/406,815.84 = 102,709.84/x - Step 3: Cross multiply
271,247.64x = 406,815.84 × 102,709.84 - Step 4: Simplify right side
271,247.64x = 41,783,989,835.87 - Step 5: Solve for x
x = 41,783,989,835.87/271,247.64 - Step 6: Final answer
x = 154,043.70
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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.