Finding the Fourth Proportional to 379,651.79, 524,051.41 and 218,571.04
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Solution
The fourth proportional to 379,651.79, 524,051.41 and 218,571.04 is: 301,703.99
Step by Step Solution
- Step 1: Write the proportion equation
379,651.79 : 524,051.41 = 218,571.04 : x - Step 2: Convert to fraction form
379,651.79/524,051.41 = 218,571.04/x - Step 3: Cross multiply
379,651.79x = 524,051.41 × 218,571.04 - Step 4: Simplify right side
379,651.79x = 114,542,461,697.17 - Step 5: Solve for x
x = 114,542,461,697.17/379,651.79 - Step 6: Final answer
x = 301,703.99
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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.