Finding the Fourth Proportional to 451,528.23, 623,114.96 and 247,578.62
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Solution
The fourth proportional to 451,528.23, 623,114.96 and 247,578.62 is: 341,661.79
Step by Step Solution
- Step 1: Write the proportion equation
451,528.23 : 623,114.96 = 247,578.62 : x - Step 2: Convert to fraction form
451,528.23/623,114.96 = 247,578.62/x - Step 3: Cross multiply
451,528.23x = 623,114.96 × 247,578.62 - Step 4: Simplify right side
451,528.23x = 154,269,940,959.31 - Step 5: Solve for x
x = 154,269,940,959.31/451,528.23 - Step 6: Final answer
x = 341,661.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.