Finding the Fourth Proportional to 376,219.92, 519,189.84 and 206,469.84
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Solution
The fourth proportional to 376,219.92, 519,189.84 and 206,469.84 is: 284,931.86
Step by Step Solution
- Step 1: Write the proportion equation
376,219.92 : 519,189.84 = 206,469.84 : x - Step 2: Convert to fraction form
376,219.92/519,189.84 = 206,469.84/x - Step 3: Cross multiply
376,219.92x = 519,189.84 × 206,469.84 - Step 4: Simplify right side
376,219.92x = 107,197,043,194.43 - Step 5: Solve for x
x = 107,197,043,194.43/376,219.92 - Step 6: Final answer
x = 284,931.86
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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.