Finding the Fourth Proportional to 531,252.56, 733,107.18 and 289,529.94
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Solution
The fourth proportional to 531,252.56, 733,107.18 and 289,529.94 is: 399,539.68
Step by Step Solution
- Step 1: Write the proportion equation
531,252.56 : 733,107.18 = 289,529.94 : x - Step 2: Convert to fraction form
531,252.56/733,107.18 = 289,529.94/x - Step 3: Cross multiply
531,252.56x = 733,107.18 × 289,529.94 - Step 4: Simplify right side
531,252.56x = 212,256,477,838.97 - Step 5: Solve for x
x = 212,256,477,838.97/531,252.56 - Step 6: Final answer
x = 399,539.68
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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.