Finding the Fourth Proportional to 180,136.80, 270,220.19 and 53,768.70
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Solution
The fourth proportional to 180,136.80, 270,220.19 and 53,768.70 is: 80,657.52
Step by Step Solution
- Step 1: Write the proportion equation
180,136.80 : 270,220.19 = 53,768.70 : x - Step 2: Convert to fraction form
180,136.80/270,220.19 = 53,768.70/x - Step 3: Cross multiply
180,136.80x = 270,220.19 × 53,768.70 - Step 4: Simplify right side
180,136.80x = 14,529,388,061.21 - Step 5: Solve for x
x = 14,529,388,061.21/180,136.80 - Step 6: Final answer
x = 80,657.52
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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.