Finding the Fourth Proportional to 202,991.70, 304,487.55 and 53,231.70
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Solution
The fourth proportional to 202,991.70, 304,487.55 and 53,231.70 is: 79,847.55
Step by Step Solution
- Step 1: Write the proportion equation
202,991.70 : 304,487.55 = 53,231.70 : x - Step 2: Convert to fraction form
202,991.70/304,487.55 = 53,231.70/x - Step 3: Cross multiply
202,991.70x = 304,487.55 × 53,231.70 - Step 4: Simplify right side
202,991.70x = 16,208,389,915.34 - Step 5: Solve for x
x = 16,208,389,915.34/202,991.70 - Step 6: Final answer
x = 79,847.55
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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.