Finding the Fourth Proportional to 328,440.53, 453,247.72 and 177,537.53
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Solution
The fourth proportional to 328,440.53, 453,247.72 and 177,537.53 is: 245,001.68
Step by Step Solution
- Step 1: Write the proportion equation
328,440.53 : 453,247.72 = 177,537.53 : x - Step 2: Convert to fraction form
328,440.53/453,247.72 = 177,537.53/x - Step 3: Cross multiply
328,440.53x = 453,247.72 × 177,537.53 - Step 4: Simplify right side
328,440.53x = 80,468,481,376.21 - Step 5: Solve for x
x = 80,468,481,376.21/328,440.53 - Step 6: Final answer
x = 245,001.68
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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.