Finding the Fourth Proportional to 416,161.98, 574,299.45 and 225,171.18
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Solution
The fourth proportional to 416,161.98, 574,299.45 and 225,171.18 is: 310,734.02
Step by Step Solution
- Step 1: Write the proportion equation
416,161.98 : 574,299.45 = 225,171.18 : x - Step 2: Convert to fraction form
416,161.98/574,299.45 = 225,171.18/x - Step 3: Cross multiply
416,161.98x = 574,299.45 × 225,171.18 - Step 4: Simplify right side
416,161.98x = 129,315,684,829.85 - Step 5: Solve for x
x = 129,315,684,829.85/416,161.98 - Step 6: Final answer
x = 310,734.02
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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.