Finding the Fourth Proportional to 405,434.91, 559,589.00 and 235,766.91
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Solution
The fourth proportional to 405,434.91, 559,589.00 and 235,766.91 is: 325,409.99
Step by Step Solution
- Step 1: Write the proportion equation
405,434.91 : 559,589.00 = 235,766.91 : x - Step 2: Convert to fraction form
405,434.91/559,589.00 = 235,766.91/x - Step 3: Cross multiply
405,434.91x = 559,589.00 × 235,766.91 - Step 4: Simplify right side
405,434.91x = 131,932,568,221.16 - Step 5: Solve for x
x = 131,932,568,221.16/405,434.91 - Step 6: Final answer
x = 325,409.99
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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.