Finding the Fourth Proportional to 202,313.80, 303,470.70 and 135,785.80
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Solution
The fourth proportional to 202,313.80, 303,470.70 and 135,785.80 is: 203,678.70
Step by Step Solution
- Step 1: Write the proportion equation
202,313.80 : 303,470.70 = 135,785.80 : x - Step 2: Convert to fraction form
202,313.80/303,470.70 = 135,785.80/x - Step 3: Cross multiply
202,313.80x = 303,470.70 × 135,785.80 - Step 4: Simplify right side
202,313.80x = 41,207,011,776.06 - Step 5: Solve for x
x = 41,207,011,776.06/202,313.80 - Step 6: Final answer
x = 203,678.70
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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.