Finding the Fourth Proportional to 328,638.24, 453,520.35 and 177,735.24
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Solution
The fourth proportional to 328,638.24, 453,520.35 and 177,735.24 is: 245,274.40
Step by Step Solution
- Step 1: Write the proportion equation
328,638.24 : 453,520.35 = 177,735.24 : x - Step 2: Convert to fraction form
328,638.24/453,520.35 = 177,735.24/x - Step 3: Cross multiply
328,638.24x = 453,520.35 × 177,735.24 - Step 4: Simplify right side
328,638.24x = 80,606,548,252.13 - Step 5: Solve for x
x = 80,606,548,252.13/328,638.24 - Step 6: Final answer
x = 245,274.40
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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.