Finding the Fourth Proportional to 275,753.31, 413,668.86 and 98,207.79
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Solution
The fourth proportional to 275,753.31, 413,668.86 and 98,207.79 is: 147,325.54
Step by Step Solution
- Step 1: Write the proportion equation
275,753.31 : 413,668.86 = 98,207.79 : x - Step 2: Convert to fraction form
275,753.31/413,668.86 = 98,207.79/x - Step 3: Cross multiply
275,753.31x = 413,668.86 × 98,207.79 - Step 4: Simplify right side
275,753.31x = 40,625,504,532.42 - Step 5: Solve for x
x = 40,625,504,532.42/275,753.31 - Step 6: Final answer
x = 147,325.54
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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.