Finding the Fourth Proportional to 361,007.10, 498,193.68 and 199,864.62
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Solution
The fourth proportional to 361,007.10, 498,193.68 and 199,864.62 is: 275,815.32
Step by Step Solution
- Step 1: Write the proportion equation
361,007.10 : 498,193.68 = 199,864.62 : x - Step 2: Convert to fraction form
361,007.10/498,193.68 = 199,864.62/x - Step 3: Cross multiply
361,007.10x = 498,193.68 × 199,864.62 - Step 4: Simplify right side
361,007.10x = 99,571,290,539.60 - Step 5: Solve for x
x = 99,571,290,539.60/361,007.10 - Step 6: Final answer
x = 275,815.32
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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.