Finding the Fourth Proportional to 375,640.48, 518,382.84 and 203,563.20
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Solution
The fourth proportional to 375,640.48, 518,382.84 and 203,563.20 is: 280,916.66
Step by Step Solution
- Step 1: Write the proportion equation
375,640.48 : 518,382.84 = 203,563.20 : x - Step 2: Convert to fraction form
375,640.48/518,382.84 = 203,563.20/x - Step 3: Cross multiply
375,640.48x = 518,382.84 × 203,563.20 - Step 4: Simplify right side
375,640.48x = 105,523,669,735.49 - Step 5: Solve for x
x = 105,523,669,735.49/375,640.48 - Step 6: Final answer
x = 280,916.66
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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.