Finding the Fourth Proportional to 328,423.68, 453,224.39 and 177,520.68
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Solution
The fourth proportional to 328,423.68, 453,224.39 and 177,520.68 is: 244,978.38
Step by Step Solution
- Step 1: Write the proportion equation
328,423.68 : 453,224.39 = 177,520.68 : x - Step 2: Convert to fraction form
328,423.68/453,224.39 = 177,520.68/x - Step 3: Cross multiply
328,423.68x = 453,224.39 × 177,520.68 - Step 4: Simplify right side
328,423.68x = 80,456,701,017.78 - Step 5: Solve for x
x = 80,456,701,017.78/328,423.68 - Step 6: Final answer
x = 244,978.38
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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.