Finding the Fourth Proportional to 272,998.20, 409,497.30 and 244,129.80
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Solution
The fourth proportional to 272,998.20, 409,497.30 and 244,129.80 is: 366,194.70
Step by Step Solution
- Step 1: Write the proportion equation
272,998.20 : 409,497.30 = 244,129.80 : x - Step 2: Convert to fraction form
272,998.20/409,497.30 = 244,129.80/x - Step 3: Cross multiply
272,998.20x = 409,497.30 × 244,129.80 - Step 4: Simplify right side
272,998.20x = 99,970,493,949.54 - Step 5: Solve for x
x = 99,970,493,949.54/272,998.20 - Step 6: Final answer
x = 366,194.70
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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.