Finding the Fourth Proportional to 328,676.48, 453,572.64 and 177,773.12
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Solution
The fourth proportional to 328,676.48, 453,572.64 and 177,773.12 is: 245,326.42
Step by Step Solution
- Step 1: Write the proportion equation
328,676.48 : 453,572.64 = 177,773.12 : x - Step 2: Convert to fraction form
328,676.48/453,572.64 = 177,773.12/x - Step 3: Cross multiply
328,676.48x = 453,572.64 × 177,773.12 - Step 4: Simplify right side
328,676.48x = 80,633,023,359.44 - Step 5: Solve for x
x = 80,633,023,359.44/328,676.48 - Step 6: Final answer
x = 245,326.42
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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.