Finding the Fourth Proportional to 449,531.26, 620,370.96 and 258,544.42
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Solution
The fourth proportional to 449,531.26, 620,370.96 and 258,544.42 is: 356,801.55
Step by Step Solution
- Step 1: Write the proportion equation
449,531.26 : 620,370.96 = 258,544.42 : x - Step 2: Convert to fraction form
449,531.26/620,370.96 = 258,544.42/x - Step 3: Cross multiply
449,531.26x = 620,370.96 × 258,544.42 - Step 4: Simplify right side
449,531.26x = 160,393,450,038.04 - Step 5: Solve for x
x = 160,393,450,038.04/449,531.26 - Step 6: Final answer
x = 356,801.55
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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.