Finding the Fourth Proportional to 202,136.70, 302,621.85 and 202,136.70
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Solution
The fourth proportional to 202,136.70, 302,621.85 and 202,136.70 is: 302,621.85
Step by Step Solution
- Step 1: Write the proportion equation
202,136.70 : 302,621.85 = 202,136.70 : x - Step 2: Convert to fraction form
202,136.70/302,621.85 = 202,136.70/x - Step 3: Cross multiply
202,136.70x = 302,621.85 × 202,136.70 - Step 4: Simplify right side
202,136.70x = 61,170,982,106.90 - Step 5: Solve for x
x = 61,170,982,106.90/202,136.70 - Step 6: Final answer
x = 302,621.85
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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.