Finding the Fourth Proportional to 273,537.70, 410,306.55 and 86,549.20
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Solution
The fourth proportional to 273,537.70, 410,306.55 and 86,549.20 is: 129,823.80
Step by Step Solution
- Step 1: Write the proportion equation
273,537.70 : 410,306.55 = 86,549.20 : x - Step 2: Convert to fraction form
273,537.70/410,306.55 = 86,549.20/x - Step 3: Cross multiply
273,537.70x = 410,306.55 × 86,549.20 - Step 4: Simplify right side
273,537.70x = 35,511,703,657.26 - Step 5: Solve for x
x = 35,511,703,657.26/273,537.70 - Step 6: Final answer
x = 129,823.80
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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.