Finding the Fourth Proportional to 405,811.11, 560,035.81 and 224,520.09
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Solution
The fourth proportional to 405,811.11, 560,035.81 and 224,520.09 is: 309,846.83
Step by Step Solution
- Step 1: Write the proportion equation
405,811.11 : 560,035.81 = 224,520.09 : x - Step 2: Convert to fraction form
405,811.11/560,035.81 = 224,520.09/x - Step 3: Cross multiply
405,811.11x = 560,035.81 × 224,520.09 - Step 4: Simplify right side
405,811.11x = 125,739,287,382.01 - Step 5: Solve for x
x = 125,739,287,382.01/405,811.11 - Step 6: Final answer
x = 309,846.83
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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.