Finding the Fourth Proportional to 531,314.99, 733,193.21 and 289,592.36
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Solution
The fourth proportional to 531,314.99, 733,193.21 and 289,592.36 is: 399,625.75
Step by Step Solution
- Step 1: Write the proportion equation
531,314.99 : 733,193.21 = 289,592.36 : x - Step 2: Convert to fraction form
531,314.99/733,193.21 = 289,592.36/x - Step 3: Cross multiply
531,314.99x = 733,193.21 × 289,592.36 - Step 4: Simplify right side
531,314.99x = 212,327,150,571.91 - Step 5: Solve for x
x = 212,327,150,571.91/531,314.99 - Step 6: Final answer
x = 399,625.75
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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.