Finding the Fourth Proportional to 451,651.08, 623,269.17 and 279,523.26
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Solution
The fourth proportional to 451,651.08, 623,269.17 and 279,523.26 is: 385,736.33
Step by Step Solution
- Step 1: Write the proportion equation
451,651.08 : 623,269.17 = 279,523.26 : x - Step 2: Convert to fraction form
451,651.08/623,269.17 = 279,523.26/x - Step 3: Cross multiply
451,651.08x = 623,269.17 × 279,523.26 - Step 4: Simplify right side
451,651.08x = 174,218,230,255.89 - Step 5: Solve for x
x = 174,218,230,255.89/451,651.08 - Step 6: Final answer
x = 385,736.33
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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.