Finding the Fourth Proportional to 376,169.43, 519,113.83 and 215,027.99
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Solution
The fourth proportional to 376,169.43, 519,113.83 and 215,027.99 is: 296,738.63
Step by Step Solution
- Step 1: Write the proportion equation
376,169.43 : 519,113.83 = 215,027.99 : x - Step 2: Convert to fraction form
376,169.43/519,113.83 = 215,027.99/x - Step 3: Cross multiply
376,169.43x = 519,113.83 × 215,027.99 - Step 4: Simplify right side
376,169.43x = 111,624,000,850.53 - Step 5: Solve for x
x = 111,624,000,850.53/376,169.43 - Step 6: Final answer
x = 296,738.63
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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.