Finding the Fourth Proportional to 269,136.70, 403,607.85 and 135,972.70
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Solution
The fourth proportional to 269,136.70, 403,607.85 and 135,972.70 is: 203,909.94
Step by Step Solution
- Step 1: Write the proportion equation
269,136.70 : 403,607.85 = 135,972.70 : x - Step 2: Convert to fraction form
269,136.70/403,607.85 = 135,972.70/x - Step 3: Cross multiply
269,136.70x = 403,607.85 × 135,972.70 - Step 4: Simplify right side
269,136.70x = 54,879,649,105.70 - Step 5: Solve for x
x = 54,879,649,105.70/269,136.70 - Step 6: Final answer
x = 203,909.94
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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.