Finding the Fourth Proportional to 618,182.20, 926,582.10 and 263,135.80
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Solution
The fourth proportional to 618,182.20, 926,582.10 and 263,135.80 is: 394,409.48
Step by Step Solution
- Step 1: Write the proportion equation
618,182.20 : 926,582.10 = 263,135.80 : x - Step 2: Convert to fraction form
618,182.20/926,582.10 = 263,135.80/x - Step 3: Cross multiply
618,182.20x = 926,582.10 × 263,135.80 - Step 4: Simplify right side
618,182.20x = 243,816,922,149.18 - Step 5: Solve for x
x = 243,816,922,149.18/618,182.20 - Step 6: Final answer
x = 394,409.48
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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.