Finding the Fourth Proportional to 376,198.12, 519,151.98 and 206,435.08
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Solution
The fourth proportional to 376,198.12, 519,151.98 and 206,435.08 is: 284,879.63
Step by Step Solution
- Step 1: Write the proportion equation
376,198.12 : 519,151.98 = 206,435.08 : x - Step 2: Convert to fraction form
376,198.12/519,151.98 = 206,435.08/x - Step 3: Cross multiply
376,198.12x = 519,151.98 × 206,435.08 - Step 4: Simplify right side
376,198.12x = 107,171,180,523.46 - Step 5: Solve for x
x = 107,171,180,523.46/376,198.12 - Step 6: Final answer
x = 284,879.63
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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.