Finding the Fourth Proportional to 273,451.10, 409,520.55 and 133,045.70
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Solution
The fourth proportional to 273,451.10, 409,520.55 and 133,045.70 is: 199,249.33
Step by Step Solution
- Step 1: Write the proportion equation
273,451.10 : 409,520.55 = 133,045.70 : x - Step 2: Convert to fraction form
273,451.10/409,520.55 = 133,045.70/x - Step 3: Cross multiply
273,451.10x = 409,520.55 × 133,045.70 - Step 4: Simplify right side
273,451.10x = 54,484,948,239.14 - Step 5: Solve for x
x = 54,484,948,239.14/273,451.10 - Step 6: Final answer
x = 199,249.33
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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.