Finding the Fourth Proportional to 449,886.75, 674,693.86 and 236,539.70
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Solution
The fourth proportional to 449,886.75, 674,693.86 and 236,539.70 is: 354,737.91
Step by Step Solution
- Step 1: Write the proportion equation
449,886.75 : 674,693.86 = 236,539.70 : x - Step 2: Convert to fraction form
449,886.75/674,693.86 = 236,539.70/x - Step 3: Cross multiply
449,886.75x = 674,693.86 × 236,539.70 - Step 4: Simplify right side
449,886.75x = 159,591,883,236.24 - Step 5: Solve for x
x = 159,591,883,236.24/449,886.75 - Step 6: Final answer
x = 354,737.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.