Finding the Fourth Proportional to 339,313.14, 509,025.60 and 114,687.18
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Solution
The fourth proportional to 339,313.14, 509,025.60 and 114,687.18 is: 172,049.66
Step by Step Solution
- Step 1: Write the proportion equation
339,313.14 : 509,025.60 = 114,687.18 : x - Step 2: Convert to fraction form
339,313.14/509,025.60 = 114,687.18/x - Step 3: Cross multiply
339,313.14x = 509,025.60 × 114,687.18 - Step 4: Simplify right side
339,313.14x = 58,378,710,611.81 - Step 5: Solve for x
x = 58,378,710,611.81/339,313.14 - Step 6: Final answer
x = 172,049.66
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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.