Finding the Fourth Proportional to 308,063.28, 461,043.50 and 258,199.68
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Solution
The fourth proportional to 308,063.28, 461,043.50 and 258,199.68 is: 386,418.28
Step by Step Solution
- Step 1: Write the proportion equation
308,063.28 : 461,043.50 = 258,199.68 : x - Step 2: Convert to fraction form
308,063.28/461,043.50 = 258,199.68/x - Step 3: Cross multiply
308,063.28x = 461,043.50 × 258,199.68 - Step 4: Simplify right side
308,063.28x = 119,041,284,166.08 - Step 5: Solve for x
x = 119,041,284,166.08/308,063.28 - Step 6: Final answer
x = 386,418.28
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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.