Finding the Fourth Proportional to 273,213.80, 409,820.70 and 155,115.80
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Solution
The fourth proportional to 273,213.80, 409,820.70 and 155,115.80 is: 232,673.70
Step by Step Solution
- Step 1: Write the proportion equation
273,213.80 : 409,820.70 = 155,115.80 : x - Step 2: Convert to fraction form
273,213.80/409,820.70 = 155,115.80/x - Step 3: Cross multiply
273,213.80x = 409,820.70 × 155,115.80 - Step 4: Simplify right side
273,213.80x = 63,569,665,737.06 - Step 5: Solve for x
x = 63,569,665,737.06/273,213.80 - Step 6: Final answer
x = 232,673.70
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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.