Finding the Fourth Proportional to 328,857.53, 453,861.68 and 273,569.18
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Solution
The fourth proportional to 328,857.53, 453,861.68 and 273,569.18 is: 377,557.31
Step by Step Solution
- Step 1: Write the proportion equation
328,857.53 : 453,861.68 = 273,569.18 : x - Step 2: Convert to fraction form
328,857.53/453,861.68 = 273,569.18/x - Step 3: Cross multiply
328,857.53x = 453,861.68 × 273,569.18 - Step 4: Simplify right side
328,857.53x = 124,162,563,993.87 - Step 5: Solve for x
x = 124,162,563,993.87/328,857.53 - Step 6: Final answer
x = 377,557.31
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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.