Finding the Fourth Proportional to 202,136.64, 303,203.70 and 52,376.55
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Solution
The fourth proportional to 202,136.64, 303,203.70 and 52,376.55 is: 78,564.50
Step by Step Solution
- Step 1: Write the proportion equation
202,136.64 : 303,203.70 = 52,376.55 : x - Step 2: Convert to fraction form
202,136.64/303,203.70 = 52,376.55/x - Step 3: Cross multiply
202,136.64x = 303,203.70 × 52,376.55 - Step 4: Simplify right side
202,136.64x = 15,880,763,753.24 - Step 5: Solve for x
x = 15,880,763,753.24/202,136.64 - Step 6: Final answer
x = 78,564.50
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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.