Finding the Fourth Proportional to 149,306.68, 206,252.19 and 103,961.97
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Solution
The fourth proportional to 149,306.68, 206,252.19 and 103,961.97 is: 143,613.03
Step by Step Solution
- Step 1: Write the proportion equation
149,306.68 : 206,252.19 = 103,961.97 : x - Step 2: Convert to fraction form
149,306.68/206,252.19 = 103,961.97/x - Step 3: Cross multiply
149,306.68x = 206,252.19 × 103,961.97 - Step 4: Simplify right side
149,306.68x = 21,442,383,989.21 - Step 5: Solve for x
x = 21,442,383,989.21/149,306.68 - Step 6: Final answer
x = 143,613.03
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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.