Finding the Fourth Proportional to 270,698.90, 405,800.67 and 104,361.62
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Solution
The fourth proportional to 270,698.90, 405,800.67 and 104,361.62 is: 156,446.94
Step by Step Solution
- Step 1: Write the proportion equation
270,698.90 : 405,800.67 = 104,361.62 : x - Step 2: Convert to fraction form
270,698.90/405,800.67 = 104,361.62/x - Step 3: Cross multiply
270,698.90x = 405,800.67 × 104,361.62 - Step 4: Simplify right side
270,698.90x = 42,350,015,318.29 - Step 5: Solve for x
x = 42,350,015,318.29/270,698.90 - Step 6: Final answer
x = 156,446.94
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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.