Finding the Fourth Proportional to 273,211.80, 409,817.70 and 155,113.80
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Solution
The fourth proportional to 273,211.80, 409,817.70 and 155,113.80 is: 232,670.70
Step by Step Solution
- Step 1: Write the proportion equation
273,211.80 : 409,817.70 = 155,113.80 : x - Step 2: Convert to fraction form
273,211.80/409,817.70 = 155,113.80/x - Step 3: Cross multiply
273,211.80x = 409,817.70 × 155,113.80 - Step 4: Simplify right side
273,211.80x = 63,568,380,754.26 - Step 5: Solve for x
x = 63,568,380,754.26/273,211.80 - Step 6: Final answer
x = 232,670.70
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1.5x scale
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.