Finding the Fourth Proportional to 373,861.76, 515,883.84 and 212,737.28
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Solution
The fourth proportional to 373,861.76, 515,883.84 and 212,737.28 is: 293,551.62
Step by Step Solution
- Step 1: Write the proportion equation
373,861.76 : 515,883.84 = 212,737.28 : x - Step 2: Convert to fraction form
373,861.76/515,883.84 = 212,737.28/x - Step 3: Cross multiply
373,861.76x = 515,883.84 × 212,737.28 - Step 4: Simplify right side
373,861.76x = 109,747,724,917.56 - Step 5: Solve for x
x = 109,747,724,917.56/373,861.76 - Step 6: Final answer
x = 293,551.62
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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.