Finding the Fourth Proportional to 281,329.26, 422,030.94 and 91,723.02
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Solution
The fourth proportional to 281,329.26, 422,030.94 and 91,723.02 is: 137,596.61
Step by Step Solution
- Step 1: Write the proportion equation
281,329.26 : 422,030.94 = 91,723.02 : x - Step 2: Convert to fraction form
281,329.26/422,030.94 = 91,723.02/x - Step 3: Cross multiply
281,329.26x = 422,030.94 × 91,723.02 - Step 4: Simplify right side
281,329.26x = 38,709,952,350.24 - Step 5: Solve for x
x = 38,709,952,350.24/281,329.26 - Step 6: Final answer
x = 137,596.61
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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.