Finding the Fourth Proportional to 449,468.22, 620,391.24 and 258,543.12
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Solution
The fourth proportional to 449,468.22, 620,391.24 and 258,543.12 is: 356,861.46
Step by Step Solution
- Step 1: Write the proportion equation
449,468.22 : 620,391.24 = 258,543.12 : x - Step 2: Convert to fraction form
449,468.22/620,391.24 = 258,543.12/x - Step 3: Cross multiply
449,468.22x = 620,391.24 × 258,543.12 - Step 4: Simplify right side
449,468.22x = 160,397,886,810.27 - Step 5: Solve for x
x = 160,397,886,810.27/449,468.22 - Step 6: Final answer
x = 356,861.46
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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.