Finding the Fourth Proportional to 328,882.20, 453,808.80 and 192,864.84
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Solution
The fourth proportional to 328,882.20, 453,808.80 and 192,864.84 is: 266,124.96
Step by Step Solution
- Step 1: Write the proportion equation
328,882.20 : 453,808.80 = 192,864.84 : x - Step 2: Convert to fraction form
328,882.20/453,808.80 = 192,864.84/x - Step 3: Cross multiply
328,882.20x = 453,808.80 × 192,864.84 - Step 4: Simplify right side
328,882.20x = 87,523,761,602.59 - Step 5: Solve for x
x = 87,523,761,602.59/328,882.20 - Step 6: Final answer
x = 266,124.96
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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.