Finding the Fourth Proportional to 363,586.80, 545,197.68 and 211,832.94
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Solution
The fourth proportional to 363,586.80, 545,197.68 and 211,832.94 is: 317,643.07
Step by Step Solution
- Step 1: Write the proportion equation
363,586.80 : 545,197.68 = 211,832.94 : x - Step 2: Convert to fraction form
363,586.80/545,197.68 = 211,832.94/x - Step 3: Cross multiply
363,586.80x = 545,197.68 × 211,832.94 - Step 4: Simplify right side
363,586.80x = 115,490,827,435.58 - Step 5: Solve for x
x = 115,490,827,435.58/363,586.80 - Step 6: Final answer
x = 317,643.07
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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.