Finding the Fourth Proportional to 273,459.10, 409,532.55 and 133,053.70
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Solution
The fourth proportional to 273,459.10, 409,532.55 and 133,053.70 is: 199,261.32
Step by Step Solution
- Step 1: Write the proportion equation
273,459.10 : 409,532.55 = 133,053.70 : x - Step 2: Convert to fraction form
273,459.10/409,532.55 = 133,053.70/x - Step 3: Cross multiply
273,459.10x = 409,532.55 × 133,053.70 - Step 4: Simplify right side
273,459.10x = 54,489,821,047.94 - Step 5: Solve for x
x = 54,489,821,047.94/273,459.10 - Step 6: Final answer
x = 199,261.32
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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.