Finding the Fourth Proportional to 308,406.68, 461,891.48 and 299,893.80
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Solution
The fourth proportional to 308,406.68, 461,891.48 and 299,893.80 is: 449,141.99
Step by Step Solution
- Step 1: Write the proportion equation
308,406.68 : 461,891.48 = 299,893.80 : x - Step 2: Convert to fraction form
308,406.68/461,891.48 = 299,893.80/x - Step 3: Cross multiply
308,406.68x = 461,891.48 × 299,893.80 - Step 4: Simplify right side
308,406.68x = 138,518,391,124.82 - Step 5: Solve for x
x = 138,518,391,124.82/308,406.68 - Step 6: Final answer
x = 449,141.99
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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.