Finding the Fourth Proportional to 531,190.09, 733,023.70 and 289,467.73
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Solution
The fourth proportional to 531,190.09, 733,023.70 and 289,467.73 is: 399,455.32
Step by Step Solution
- Step 1: Write the proportion equation
531,190.09 : 733,023.70 = 289,467.73 : x - Step 2: Convert to fraction form
531,190.09/733,023.70 = 289,467.73/x - Step 3: Cross multiply
531,190.09x = 733,023.70 × 289,467.73 - Step 4: Simplify right side
531,190.09x = 212,186,706,475.20 - Step 5: Solve for x
x = 212,186,706,475.20/531,190.09 - Step 6: Final answer
x = 399,455.32
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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.