Finding the Fourth Proportional to 311,960.09, 430,524.61 and 175,944.41
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Solution
The fourth proportional to 311,960.09, 430,524.61 and 175,944.41 is: 242,814.39
Step by Step Solution
- Step 1: Write the proportion equation
311,960.09 : 430,524.61 = 175,944.41 : x - Step 2: Convert to fraction form
311,960.09/430,524.61 = 175,944.41/x - Step 3: Cross multiply
311,960.09x = 430,524.61 × 175,944.41 - Step 4: Simplify right side
311,960.09x = 75,748,397,518.91 - Step 5: Solve for x
x = 75,748,397,518.91/311,960.09 - Step 6: Final answer
x = 242,814.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.