Finding the Fourth Proportional to 449,843.18, 620,783.57 and 245,894.96
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Solution
The fourth proportional to 449,843.18, 620,783.57 and 245,894.96 is: 339,335.03
Step by Step Solution
- Step 1: Write the proportion equation
449,843.18 : 620,783.57 = 245,894.96 : x - Step 2: Convert to fraction form
449,843.18/620,783.57 = 245,894.96/x - Step 3: Cross multiply
449,843.18x = 620,783.57 × 245,894.96 - Step 4: Simplify right side
449,843.18x = 152,647,549,884.33 - Step 5: Solve for x
x = 152,647,549,884.33/449,843.18 - Step 6: Final answer
x = 339,335.03
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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.