Finding the Fourth Proportional to 129,228.28, 193,825.26 and 49,244.68
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Solution
The fourth proportional to 129,228.28, 193,825.26 and 49,244.68 is: 73,860.48
Step by Step Solution
- Step 1: Write the proportion equation
129,228.28 : 193,825.26 = 49,244.68 : x - Step 2: Convert to fraction form
129,228.28/193,825.26 = 49,244.68/x - Step 3: Cross multiply
129,228.28x = 193,825.26 × 49,244.68 - Step 4: Simplify right side
129,228.28x = 9,544,862,904.62 - Step 5: Solve for x
x = 9,544,862,904.62/129,228.28 - Step 6: Final answer
x = 73,860.48
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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.