Finding the Fourth Proportional to 395,226.88, 545,361.84 and 225,450.88
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Solution
The fourth proportional to 395,226.88, 545,361.84 and 225,450.88 is: 311,092.98
Step by Step Solution
- Step 1: Write the proportion equation
395,226.88 : 545,361.84 = 225,450.88 : x - Step 2: Convert to fraction form
395,226.88/545,361.84 = 225,450.88/x - Step 3: Cross multiply
395,226.88x = 545,361.84 × 225,450.88 - Step 4: Simplify right side
395,226.88x = 122,952,306,746.42 - Step 5: Solve for x
x = 122,952,306,746.42/395,226.88 - Step 6: Final answer
x = 311,092.98
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1.5x scale
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.