Finding the Fourth Proportional to 328,516.99, 453,354.12 and 177,613.99
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Solution
The fourth proportional to 328,516.99, 453,354.12 and 177,613.99 is: 245,107.67
Step by Step Solution
- Step 1: Write the proportion equation
328,516.99 : 453,354.12 = 177,613.99 : x - Step 2: Convert to fraction form
328,516.99/453,354.12 = 177,613.99/x - Step 3: Cross multiply
328,516.99x = 453,354.12 × 177,613.99 - Step 4: Simplify right side
328,516.99x = 80,522,034,136.14 - Step 5: Solve for x
x = 80,522,034,136.14/328,516.99 - Step 6: Final answer
x = 245,107.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.