Finding the Fourth Proportional to 361,065.26, 498,287.16 and 217,822.23
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Solution
The fourth proportional to 361,065.26, 498,287.16 and 217,822.23 is: 300,604.99
Step by Step Solution
- Step 1: Write the proportion equation
361,065.26 : 498,287.16 = 217,822.23 : x - Step 2: Convert to fraction form
361,065.26/498,287.16 = 217,822.23/x - Step 3: Cross multiply
361,065.26x = 498,287.16 × 217,822.23 - Step 4: Simplify right side
361,065.26x = 108,538,020,371.57 - Step 5: Solve for x
x = 108,538,020,371.57/361,065.26 - Step 6: Final answer
x = 300,604.99
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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.