Finding the Fourth Proportional to 328,644.75, 453,529.76 and 177,741.75
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Solution
The fourth proportional to 328,644.75, 453,529.76 and 177,741.75 is: 245,283.62
Step by Step Solution
- Step 1: Write the proportion equation
328,644.75 : 453,529.76 = 177,741.75 : x - Step 2: Convert to fraction form
328,644.75/453,529.76 = 177,741.75/x - Step 3: Cross multiply
328,644.75x = 453,529.76 × 177,741.75 - Step 4: Simplify right side
328,644.75x = 80,611,172,330.77 - Step 5: Solve for x
x = 80,611,172,330.77/328,644.75 - Step 6: Final answer
x = 245,283.62
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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.