Finding the Fourth Proportional to 326,407.70, 489,609.84 and 177,593.97
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Solution
The fourth proportional to 326,407.70, 489,609.84 and 177,593.97 is: 266,390.02
Step by Step Solution
- Step 1: Write the proportion equation
326,407.70 : 489,609.84 = 177,593.97 : x - Step 2: Convert to fraction form
326,407.70/489,609.84 = 177,593.97/x - Step 3: Cross multiply
326,407.70x = 489,609.84 × 177,593.97 - Step 4: Simplify right side
326,407.70x = 86,951,754,485.14 - Step 5: Solve for x
x = 86,951,754,485.14/326,407.70 - Step 6: Final answer
x = 266,390.02
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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.