Finding the Fourth Proportional to 201,271.48, 301,888.68 and 68,136.52
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Solution
The fourth proportional to 201,271.48, 301,888.68 and 68,136.52 is: 102,198.50
Step by Step Solution
- Step 1: Write the proportion equation
201,271.48 : 301,888.68 = 68,136.52 : x - Step 2: Convert to fraction form
201,271.48/301,888.68 = 68,136.52/x - Step 3: Cross multiply
201,271.48x = 301,888.68 × 68,136.52 - Step 4: Simplify right side
201,271.48x = 20,569,644,082.59 - Step 5: Solve for x
x = 20,569,644,082.59/201,271.48 - Step 6: Final answer
x = 102,198.50
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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.