Finding the Fourth Proportional to 590,336.21, 885,976.14 and 306,107.75
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Solution
The fourth proportional to 590,336.21, 885,976.14 and 306,107.75 is: 459,406.28
Step by Step Solution
- Step 1: Write the proportion equation
590,336.21 : 885,976.14 = 306,107.75 : x - Step 2: Convert to fraction form
590,336.21/885,976.14 = 306,107.75/x - Step 3: Cross multiply
590,336.21x = 885,976.14 × 306,107.75 - Step 4: Simplify right side
590,336.21x = 271,204,162,769.09 - Step 5: Solve for x
x = 271,204,162,769.09/590,336.21 - Step 6: Final answer
x = 459,406.28
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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.