Finding the Fourth Proportional to 306,490.26, 459,735.38 and 84,874.26
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Solution
The fourth proportional to 306,490.26, 459,735.38 and 84,874.26 is: 127,311.39
Step by Step Solution
- Step 1: Write the proportion equation
306,490.26 : 459,735.38 = 84,874.26 : x - Step 2: Convert to fraction form
306,490.26/459,735.38 = 84,874.26/x - Step 3: Cross multiply
306,490.26x = 459,735.38 × 84,874.26 - Step 4: Simplify right side
306,490.26x = 39,019,700,173.32 - Step 5: Solve for x
x = 39,019,700,173.32/306,490.26 - Step 6: Final answer
x = 127,311.39
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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.