Finding the Fourth Proportional to 190,697.26, 285,935.12 and 72,304.02
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Solution
The fourth proportional to 190,697.26, 285,935.12 and 72,304.02 is: 108,414.02
Step by Step Solution
- Step 1: Write the proportion equation
190,697.26 : 285,935.12 = 72,304.02 : x - Step 2: Convert to fraction form
190,697.26/285,935.12 = 72,304.02/x - Step 3: Cross multiply
190,697.26x = 285,935.12 × 72,304.02 - Step 4: Simplify right side
190,697.26x = 20,674,257,205.51 - Step 5: Solve for x
x = 20,674,257,205.51/190,697.26 - Step 6: Final answer
x = 108,414.02
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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.