Finding the Fourth Proportional to 328,892.70, 453,873.33 and 177,989.70
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Solution
The fourth proportional to 328,892.70, 453,873.33 and 177,989.70 is: 245,626.55
Step by Step Solution
- Step 1: Write the proportion equation
328,892.70 : 453,873.33 = 177,989.70 : x - Step 2: Convert to fraction form
328,892.70/453,873.33 = 177,989.70/x - Step 3: Cross multiply
328,892.70x = 453,873.33 × 177,989.70 - Step 4: Simplify right side
328,892.70x = 80,784,777,844.70 - Step 5: Solve for x
x = 80,784,777,844.70/328,892.70 - Step 6: Final answer
x = 245,626.55
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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.