Finding the Fourth Proportional to 505,912.60, 698,169.39 and 276,484.08
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Solution
The fourth proportional to 505,912.60, 698,169.39 and 276,484.08 is: 381,553.50
Step by Step Solution
- Step 1: Write the proportion equation
505,912.60 : 698,169.39 = 276,484.08 : x - Step 2: Convert to fraction form
505,912.60/698,169.39 = 276,484.08/x - Step 3: Cross multiply
505,912.60x = 698,169.39 × 276,484.08 - Step 4: Simplify right side
505,912.60x = 193,032,723,059.63 - Step 5: Solve for x
x = 193,032,723,059.63/505,912.60 - Step 6: Final answer
x = 381,553.50
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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.