Finding the Fourth Proportional to 531,289.26, 733,179.74 and 289,572.03
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Solution
The fourth proportional to 531,289.26, 733,179.74 and 289,572.03 is: 399,609.70
Step by Step Solution
- Step 1: Write the proportion equation
531,289.26 : 733,179.74 = 289,572.03 : x - Step 2: Convert to fraction form
531,289.26/733,179.74 = 289,572.03/x - Step 3: Cross multiply
531,289.26x = 733,179.74 × 289,572.03 - Step 4: Simplify right side
531,289.26x = 212,308,344,218.81 - Step 5: Solve for x
x = 212,308,344,218.81/531,289.26 - Step 6: Final answer
x = 399,609.70
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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.