Finding the Fourth Proportional to 320,234.40, 480,351.60 and 202,136.40
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Solution
The fourth proportional to 320,234.40, 480,351.60 and 202,136.40 is: 303,204.60
Step by Step Solution
- Step 1: Write the proportion equation
320,234.40 : 480,351.60 = 202,136.40 : x - Step 2: Convert to fraction form
320,234.40/480,351.60 = 202,136.40/x - Step 3: Cross multiply
320,234.40x = 480,351.60 × 202,136.40 - Step 4: Simplify right side
320,234.40x = 97,096,543,158.24 - Step 5: Solve for x
x = 97,096,543,158.24/320,234.40 - Step 6: Final answer
x = 303,204.60
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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.