Finding the Fourth Proportional to 262,941.97, 394,590.42 and 102,998.07
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Solution
The fourth proportional to 262,941.97, 394,590.42 and 102,998.07 is: 154,566.62
Step by Step Solution
- Step 1: Write the proportion equation
262,941.97 : 394,590.42 = 102,998.07 : x - Step 2: Convert to fraction form
262,941.97/394,590.42 = 102,998.07/x - Step 3: Cross multiply
262,941.97x = 394,590.42 × 102,998.07 - Step 4: Simplify right side
262,941.97x = 40,642,051,580.12 - Step 5: Solve for x
x = 40,642,051,580.12/262,941.97 - Step 6: Final answer
x = 154,566.62
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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.