Finding the Fourth Proportional to 843,285.87, 1,264,917.62 and 203,586.17
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Solution
The fourth proportional to 843,285.87, 1,264,917.62 and 203,586.17 is: 305,376.55
Step by Step Solution
- Step 1: Write the proportion equation
843,285.87 : 1,264,917.62 = 203,586.17 : x - Step 2: Convert to fraction form
843,285.87/1,264,917.62 = 203,586.17/x - Step 3: Cross multiply
843,285.87x = 1,264,917.62 × 203,586.17 - Step 4: Simplify right side
843,285.87x = 257,519,726,278.80 - Step 5: Solve for x
x = 257,519,726,278.80/843,285.87 - Step 6: Final answer
x = 305,376.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.