Finding the Fourth Proportional to 275,514.46, 412,877.09 and 156,940.99
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Solution
The fourth proportional to 275,514.46, 412,877.09 and 156,940.99 is: 235,186.71
Step by Step Solution
- Step 1: Write the proportion equation
275,514.46 : 412,877.09 = 156,940.99 : x - Step 2: Convert to fraction form
275,514.46/412,877.09 = 156,940.99/x - Step 3: Cross multiply
275,514.46x = 412,877.09 × 156,940.99 - Step 4: Simplify right side
275,514.46x = 64,797,338,468.21 - Step 5: Solve for x
x = 64,797,338,468.21/275,514.46 - Step 6: Final answer
x = 235,186.71
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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.