Finding the Fourth Proportional to 323,714.40, 447,007.94 and 203,063.08
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Solution
The fourth proportional to 323,714.40, 447,007.94 and 203,063.08 is: 280,403.99
Step by Step Solution
- Step 1: Write the proportion equation
323,714.40 : 447,007.94 = 203,063.08 : x - Step 2: Convert to fraction form
323,714.40/447,007.94 = 203,063.08/x - Step 3: Cross multiply
323,714.40x = 447,007.94 × 203,063.08 - Step 4: Simplify right side
323,714.40x = 90,770,807,353.47 - Step 5: Solve for x
x = 90,770,807,353.47/323,714.40 - Step 6: Final answer
x = 280,403.99
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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.