Finding the Fourth Proportional to 272,982.41, 409,375.69 and 104,550.09
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Solution
The fourth proportional to 272,982.41, 409,375.69 and 104,550.09 is: 156,787.62
Step by Step Solution
- Step 1: Write the proportion equation
272,982.41 : 409,375.69 = 104,550.09 : x - Step 2: Convert to fraction form
272,982.41/409,375.69 = 104,550.09/x - Step 3: Cross multiply
272,982.41x = 409,375.69 × 104,550.09 - Step 4: Simplify right side
272,982.41x = 42,800,262,663.68 - Step 5: Solve for x
x = 42,800,262,663.68/272,982.41 - Step 6: Final answer
x = 156,787.62
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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.