Finding the Fourth Proportional to 622,818.20, 934,457.70 and 202,107.80
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Solution
The fourth proportional to 622,818.20, 934,457.70 and 202,107.80 is: 303,236.47
Step by Step Solution
- Step 1: Write the proportion equation
622,818.20 : 934,457.70 = 202,107.80 : x - Step 2: Convert to fraction form
622,818.20/934,457.70 = 202,107.80/x - Step 3: Cross multiply
622,818.20x = 934,457.70 × 202,107.80 - Step 4: Simplify right side
622,818.20x = 188,861,189,940.06 - Step 5: Solve for x
x = 188,861,189,940.06/622,818.20 - Step 6: Final answer
x = 303,236.47
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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.