Finding the Fourth Proportional to 455,812.20, 629,020.26 and 254,608.20
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Solution
The fourth proportional to 455,812.20, 629,020.26 and 254,608.20 is: 351,358.99
Step by Step Solution
- Step 1: Write the proportion equation
455,812.20 : 629,020.26 = 254,608.20 : x - Step 2: Convert to fraction form
455,812.20/629,020.26 = 254,608.20/x - Step 3: Cross multiply
455,812.20x = 629,020.26 × 254,608.20 - Step 4: Simplify right side
455,812.20x = 160,153,716,162.13 - Step 5: Solve for x
x = 160,153,716,162.13/455,812.20 - Step 6: Final answer
x = 351,358.99
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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.