Finding the Fourth Proportional to 328,412.86, 453,214.77 and 192,414.26
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Solution
The fourth proportional to 328,412.86, 453,214.77 and 192,414.26 is: 265,534.62
Step by Step Solution
- Step 1: Write the proportion equation
328,412.86 : 453,214.77 = 192,414.26 : x - Step 2: Convert to fraction form
328,412.86/453,214.77 = 192,414.26/x - Step 3: Cross multiply
328,412.86x = 453,214.77 × 192,414.26 - Step 4: Simplify right side
328,412.86x = 87,204,984,590.62 - Step 5: Solve for x
x = 87,204,984,590.62/328,412.86 - Step 6: Final answer
x = 265,534.62
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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.