Finding the Fourth Proportional to 273,056.13, 409,319.55 and 104,446.62
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Solution
The fourth proportional to 273,056.13, 409,319.55 and 104,446.62 is: 156,568.70
Step by Step Solution
- Step 1: Write the proportion equation
273,056.13 : 409,319.55 = 104,446.62 : x - Step 2: Convert to fraction form
273,056.13/409,319.55 = 104,446.62/x - Step 3: Cross multiply
273,056.13x = 409,319.55 × 104,446.62 - Step 4: Simplify right side
273,056.13x = 42,752,043,497.42 - Step 5: Solve for x
x = 42,752,043,497.42/273,056.13 - Step 6: Final answer
x = 156,568.70
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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.