Finding the Fourth Proportional to 590,338.21, 885,979.14 and 306,109.75
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Solution
The fourth proportional to 590,338.21, 885,979.14 and 306,109.75 is: 459,409.28
Step by Step Solution
- Step 1: Write the proportion equation
590,338.21 : 885,979.14 = 306,109.75 : x - Step 2: Convert to fraction form
590,338.21/885,979.14 = 306,109.75/x - Step 3: Cross multiply
590,338.21x = 885,979.14 × 306,109.75 - Step 4: Simplify right side
590,338.21x = 271,206,853,050.62 - Step 5: Solve for x
x = 271,206,853,050.62/590,338.21 - Step 6: Final answer
x = 459,409.28
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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.