Finding the Fourth Proportional to 328,676.16, 453,573.12 and 177,773.12
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Solution
The fourth proportional to 328,676.16, 453,573.12 and 177,773.12 is: 245,326.92
Step by Step Solution
- Step 1: Write the proportion equation
328,676.16 : 453,573.12 = 177,773.12 : x - Step 2: Convert to fraction form
328,676.16/453,573.12 = 177,773.12/x - Step 3: Cross multiply
328,676.16x = 453,573.12 × 177,773.12 - Step 4: Simplify right side
328,676.16x = 80,633,108,690.53 - Step 5: Solve for x
x = 80,633,108,690.53/328,676.16 - Step 6: Final answer
x = 245,326.92
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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.