Finding the Fourth Proportional to 405,082.99, 607,655.49 and 120,751.80
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Solution
The fourth proportional to 405,082.99, 607,655.49 and 120,751.80 is: 181,136.94
Step by Step Solution
- Step 1: Write the proportion equation
405,082.99 : 607,655.49 = 120,751.80 : x - Step 2: Convert to fraction form
405,082.99/607,655.49 = 120,751.80/x - Step 3: Cross multiply
405,082.99x = 607,655.49 × 120,751.80 - Step 4: Simplify right side
405,082.99x = 73,375,492,678.24 - Step 5: Solve for x
x = 73,375,492,678.24/405,082.99 - Step 6: Final answer
x = 181,136.94
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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.