Finding the Fourth Proportional to 328,447.68, 491,711.88 and 296,930.56
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Solution
The fourth proportional to 328,447.68, 491,711.88 and 296,930.56 is: 444,528.28
Step by Step Solution
- Step 1: Write the proportion equation
328,447.68 : 491,711.88 = 296,930.56 : x - Step 2: Convert to fraction form
328,447.68/491,711.88 = 296,930.56/x - Step 3: Cross multiply
328,447.68x = 491,711.88 × 296,930.56 - Step 4: Simplify right side
328,447.68x = 146,004,283,887.05 - Step 5: Solve for x
x = 146,004,283,887.05/328,447.68 - Step 6: Final answer
x = 444,528.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.