Finding the Fourth Proportional to 455,959.68, 629,223.04 and 254,755.84
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Solution
The fourth proportional to 455,959.68, 629,223.04 and 254,755.84 is: 351,562.32
Step by Step Solution
- Step 1: Write the proportion equation
455,959.68 : 629,223.04 = 254,755.84 : x - Step 2: Convert to fraction form
455,959.68/629,223.04 = 254,755.84/x - Step 3: Cross multiply
455,959.68x = 629,223.04 × 254,755.84 - Step 4: Simplify right side
455,959.68x = 160,298,244,102.55 - Step 5: Solve for x
x = 160,298,244,102.55/455,959.68 - Step 6: Final answer
x = 351,562.32
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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.