Finding the Fourth Proportional to 381,056.99, 526,006.58 and 285,840.68
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Solution
The fourth proportional to 381,056.99, 526,006.58 and 285,840.68 is: 394,571.10
Step by Step Solution
- Step 1: Write the proportion equation
381,056.99 : 526,006.58 = 285,840.68 : x - Step 2: Convert to fraction form
381,056.99/526,006.58 = 285,840.68/x - Step 3: Cross multiply
381,056.99x = 526,006.58 × 285,840.68 - Step 4: Simplify right side
381,056.99x = 150,354,074,452.44 - Step 5: Solve for x
x = 150,354,074,452.44/381,056.99 - Step 6: Final answer
x = 394,571.10
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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.