Finding the Fourth Proportional to 560,810.18, 773,896.20 and 306,163.46
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Solution
The fourth proportional to 560,810.18, 773,896.20 and 306,163.46 is: 422,493.65
Step by Step Solution
- Step 1: Write the proportion equation
560,810.18 : 773,896.20 = 306,163.46 : x - Step 2: Convert to fraction form
560,810.18/773,896.20 = 306,163.46/x - Step 3: Cross multiply
560,810.18x = 773,896.20 × 306,163.46 - Step 4: Simplify right side
560,810.18x = 236,938,738,272.85 - Step 5: Solve for x
x = 236,938,738,272.85/560,810.18 - Step 6: Final answer
x = 422,493.65
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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.